Fact-Check Investigation Report: Xilitla & Las Pozas: The Complete Guide to Mexico's Surrealist Jungle Garden (2026)

**Source Analyzed:** https://www.sanluisway.com/blog/xilitla-las-pozas-guide-2026

**Verification Date:** July 2, 2026

**Investigation Conducted By:** San Luis Way Fact-Check Team using AI-powered research agents

EXECUTIVE SUMMARY

**Total Claims Analyzed** | 12

Verified TRUE | 8 PARTIALLY TRUE | 4 Verified FALSE | 0 UNVERIFIABLE | 0 OUTDATED | 0

**Overall Reliability Score:** 8.5/10

**Confidence Level:** High — Every practical/logistical claim (prices, hours, reservation system) was matched against the official laspozasxilitla.org.mx site directly. Historical claims are corroborated by Wikipedia, the official Edward James biography page, UNESCO, and the World Monuments Fund. The four partial verdicts are precision issues (a disputed heir, an understated structure-count spread, an unsupported causal claim about the swimming ban, and generous phrasing of James's role in two Dalí objects) — not fabrications.

DETAILED FINDINGS

CLAIM 1: Edward James's Biography and Arrival in Xilitla

**CLAIM:** "Edward James (1907–1984)... arrived in Xilitla in 1945 with his guide and lifelong friend Plutarco Gastélum, bought a coffee plantation in 1947, and after a 1962 frost killed his orchids, spent two decades building concrete flowers that could never die."

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Every date in this claim is independently corroborated: James's birth/death years, the 1945 arrival, Gastélum as his guide-turned-lifelong companion, the 1947 plantation purchase, and the 1962 frost. The only compression is that James met Gastélum in Cuernavaca first, in 1945, and the pair then traveled on to Xilitla together that same year — a minor sequencing simplification, not an error.

**EVIDENCE CHAIN:**

• **Primary Source:** [Edward James — official Las Pozas biography page](https://laspozasxilitla.org.mx/edward-james/) — confirms 1945 arrival in Mexico and Xilitla
• **Corroborating Source 1:** [Edward James — Wikipedia](https://en.wikipedia.org/wiki/Edward_James) — 16 August 1907 – 2 December 1984
• **Corroborating Source 2:** [Xilitla.net — Edward James history](http://www.xilitla.net/xilitla-edward-james.htm) — "llegó en 1945 a Xilitla," 1947 plantation purchase, "en 1962 cayó una helada en Xilitla"
• **Corroborating Source 3:** [Philadelphia's Magic Gardens — Edward James / Las Pozas](https://www.phillymagicgardens.org/about-philadelphias-magic-gardens/visit-from-home/art-environments/art-environment-creators/edward-james-las-pozas/) — confirms 1947 plantation purchase registered under Gastélum's name

**DETAILED ANALYSIS:** Three independent sources (official site, dedicated local-history site, and a US arts-institution biography page) converge on the same set of dates with no contradiction. "Two decades building concrete flowers" (1962–1984) is arithmetically exact.

**CONFIDENCE:** High — Corroborated by the official Las Pozas biography plus two independent secondary sources.

CLAIM 2: Edward James Bankrolled Dalí and "Collaborated On" Two Surrealist Icons

**CLAIM:** "He bankrolled Dalí. Under a contract covering 1937–38, James agreed to buy Salvador Dalí's entire output... and collaborated on two icons of the movement: the Lobster Telephone and the Mae West Lips Sofa."

**VERDICT:** ⚠️ PARTIALLY TRUE

**INVESTIGATION SUMMARY:** The patronage contract itself is well documented — James agreed to purchase Dalí's full output for roughly a year spanning 1937–38. However, "collaborated on" overstates James's creative role in the two named objects. James **commissioned and funded** their fabrication by the London firm Green & Abbott (per a dated 18 July 1938 letter), working from Dalí's designs; he was the patron who made them real, not a co-designer.

**EVIDENCE CHAIN:**

• **Primary Source:** [Edward James — Wikipedia](https://en.wikipedia.org/wiki/Edward_James) — James "sponsored Salvador Dalí for the whole of 1938," supporting him for about two years
• **Corroborating Source 1:** [National Galleries of Scotland — Salvador Dalí and Edward James: Lobster Telephone](https://www.nationalgalleries.org/art-and-artists/features/salvador-dali-and-edward-james-lobster-telephone) — Green & Abbott fabrication letter dated 18 July 1938; 11 units made (7 white, 4 red)
• **Corroborating Source 2:** [Lobster Telephone — Wikipedia](https://en.wikipedia.org/wiki/Lobster_Telephone) — confirms James co-conceived the idea with Dalí during his 1938 visit, then had it built
• **Corroborating Source 3:** ["If It Wasn't for Edward James, Salvador Dalí May Not Be Famous" — Ellie & Co.](https://www.ellieandco.co.uk/2021/02/sussex-eccentric-edward-james-salvador-dali-wouldnt-be-famous.html) — "In 1937, Edward agreed to buy everything Dalí made for a year"

**DETAILED ANALYSIS:** The Mae West Lips Sofa followed the same pattern: a Dalí design realized by Green & Abbott, commissioned and paid for by James for his own homes. James did originate the telephone-lobster pairing idea alongside Dalí, so "collaborated" isn't fabricated — but for a fact-checked travel guide, "commissioned and funded" would be the more precise verb. The underlying claim that both objects trace back to James's patronage is fully correct.

**CONFIDENCE:** High — Well documented via museum and auction-house sources; the only issue is a verb-choice overstatement, not a factual error.

CLAIM 3: Magritte Painted Edward James Twice

**CLAIM:** "Magritte painted him — twice. During a 1937 stay at James's London house, René Magritte produced Not to Be Reproduced, the famous painting of a man facing a mirror that reflects the back of his own head. The man is Edward James."

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Confirmed. Magritte painted two separate, named, dated 1937 portraits of Edward James for the ballroom of James's London home: *Not to Be Reproduced* (*La Reproduction interdite*) and *The Pleasure Principle* (*Le Principe du plaisir*, face obscured by a bright orb, based on a Man Ray photograph).

**EVIDENCE CHAIN:**

• **Primary Source:** [Not to Be Reproduced — Wikipedia](https://en.wikipedia.org/wiki/Not_to_Be_Reproduced) — confirms subject is Edward James, commissioned for his home
• **Corroborating Source 1:** [Museum Boijmans Van Beuningen — La Reproduction interdite](https://www.boijmans.nl/en/collection/artworks/4232/la-reproduction-interdite) — holds the original painting
• **Corroborating Source 2:** [MoMA — audio entry](https://www.moma.org/audio/playlist/180/2381)
• **Corroborating Source 3:** [Sotheby's — 21 Facts About René Magritte](https://www.sothebys.com/en/articles/21-facts-about-rene-magritte) — references *The Pleasure Principle: Portrait of Edward James* (sold at auction in November 2018 for approximately £16.2m)

**CONFIDENCE:** High — Both paintings are individually documented and attributed to James by museum-grade sources.

CLAIM 4: The 1962 Frost and Over US$5 Million in Construction Costs

**CLAIM:** "The price of a dream: construction cost over US$5 million, which James raised largely by auctioning off his surrealist art collection."

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Confirmed by multiple independent sources, including Wikipedia and dedicated local-history sites, that construction costs exceeded US$5 million (one source estimates over $20 million in today's dollars) and were substantially financed by James selling off his Surrealist art collection.

**EVIDENCE CHAIN:**

• **Primary Source:** [Las Pozas — Wikipedia](https://en.wikipedia.org/wiki/Las_Pozas) — "approximately $5 million," collection sold at auction to fund construction
• **Corroborating Source:** [Xilitla.net — Edward James history](http://www.xilitla.net/xilitla-edward-james.htm) — "more than $5 million... more than $20 million today"

**DETAILED ANALYSIS:** James's collection reportedly included works by Picasso, Giacometti, Max Ernst, Leonora Carrington and Giorgio de Chirico. Selling that collection to fund concrete follies in the Mexican jungle is one of the most-repeated, well-corroborated details in Edward James's biography.

**CONFIDENCE:** High — Consistent across primary encyclopedic and dedicated regional-history sources.

CLAIM 5: 27 Official Structures vs. "Most Media: 36"

**CLAIM:** "Roughly three dozen monumental concrete structures (the site officially catalogues 27)." Sources note: "Where sources disagree — structure counts (official: 27; most media: 36) — we attribute rather than assert."

**VERDICT:** ⚠️ PARTIALLY TRUE

**INVESTIGATION SUMMARY:** The official Las Pozas site does state 27 "buildings, structures and sculptures," confirming that figure. However, the article's framing of a clean "27 vs. 36" binary understates how wide the real spread is: other sources cite "more than thirty," 36, or as many as 40 structures.

**EVIDENCE CHAIN:**

• **Primary Source:** [en.laspozasxilitla.org.mx — The Garden](https://en.laspozasxilitla.org.mx/the-garden-surreal/) — states 27
• **Corroborating Source 1:** [World Monuments Fund — Las Pozas project page](https://www.wmf.org/projects/las-pozas) — "more than thirty architectural follies"
• **Corroborating Source 2:** [Xilitla.net](http://www.xilitla.net/xilitla-edward-james.htm) — cites 36 concrete structures
• **Corroborating Source 3:** Great Gardens of the World reference materials — cite 40 buildings/structures/sculptures

**DETAILED ANALYSIS:** The article's own "roughly three dozen" framing in the body text is actually a reasonable middle estimate given the range (27–40) found across sources. The issue is narrower: the sources footnote singles out "36" as the alternative to "27," when in fact the discrepancy is a spread across several figures (30+, 36, 40), not a clean two-number disagreement. This is a minor precision issue rather than a substantive inaccuracy — the article already handles the core disagreement responsibly by attributing rather than asserting a single count.

**CONFIDENCE:** High — Verified directly against the official site plus three independent secondary counts.

CLAIM 6: 2026 Entry Prices

**CLAIM:** "Adults pay MX$180 at the box office (MX$120 seniors and kids 6–12) plus a mandatory guide fee of MX$30 in Spanish or MX$60 in English."

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Confirmed as an exact match against the official Las Pozas site, fetched directly. Under-6 admission is free (not mentioned in the post, but not a contradiction).

**EVIDENCE CHAIN:**

• **Primary Source:** [laspozasxilitla.org.mx — official homepage](https://laspozasxilitla.org.mx/) — Adults $180 MXN, seniors 65+/children 6–12 $120 MXN, mandatory guide $30 MXN (Spanish)
• **Primary Source:** [en.laspozasxilitla.org.mx/tickets/](https://en.laspozasxilitla.org.mx/tickets/) — "guía en español) y de $60 MXN (guía en otro idioma)" — exact match for the Spanish/English guide-fee split

**DETAILED ANALYSIS:** One detail the post omits that would improve it: the official site also offers a discounted advance-reservation rate (~$170 adults / $115 seniors and kids) for tickets booked online ahead of time, still payable only in person. This isn't a contradiction of the claim, just an additional money-saving detail worth adding in a future update.

**CONFIDENCE:** High — Verified directly against the live official site in two independent page fetches.

CLAIM 7: The Reservation System

**CLAIM:** "You must reserve a timed entry online first — between 24 hours and 60 days ahead — then pay in person on the day. There is no online payment."

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Confirmed near-verbatim against official site language, retrieved on two separate fetches with identical wording.

**EVIDENCE CHAIN:**

• **Primary Source:** [laspozasxilitla.org.mx — official homepage](https://laspozasxilitla.org.mx/) — "Por el momento no hay venta en línea... paga EXCLUSIVAMENTE en la taquilla física ubicada en la entrada del Jardín"
• **Corroborating Source 1:** Official Las Pozas Facebook page — "reserva tus accesos en nuestra página web de 24 hrs a 60 días de anticipación"
• **Corroborating Source 2:** Official "Planea tu visita" page — "Adquiere tus accesos con 24 hrs. a 60 días de anticipación"

**DETAILED ANALYSIS:** A single conflicting summary (suggesting online payment was required) surfaced during research from an automated page-summarization pass, but it directly contradicts the site's own explicit, twice-confirmed statement that there is no online payment — the contradiction is judged to be a summarization error, not a real second policy.

**CONFIDENCE:** High — Verbatim match to the official site's own stated policy, confirmed twice.

CLAIM 8: Hours, Tuesday Closure, and English Tour Times

**CLAIM:** "Closed Tuesdays for conservation · open Wed–Mon 9 AM–6 PM, last entry 4 PM · English tours 10 AM & 3 PM."

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** Confirmed against the official site and independently corroborated by recent (2026) travel-guide sources.

**EVIDENCE CHAIN:**

• **Primary Source:** [laspozasxilitla.org.mx](https://laspozasxilitla.org.mx/) and [en.laspozasxilitla.org.mx](https://en.laspozasxilitla.org.mx/) — 9 AM–6 PM Wed–Mon, closed Tuesday, last entry 4 PM, English tours 10 AM and 3 PM
• **Corroborating Source:** [huasteca-potosina.com](https://huasteca-potosina.com/) (updated April 11, 2026) — matches hours and Tuesday closure

**DETAILED ANALYSIS:** Researchers also found a separate figure — box-office ticket-sales hours (8 AM–3:30 PM weekdays, 7:30 AM–3:30 PM weekends) — which describes when tickets can be purchased at the window, not the garden's visiting hours. The post correctly uses the garden's visiting hours rather than this narrower figure.

**CONFIDENCE:** High — Verified directly against the official site and one independent 2026-dated travel source.

CLAIM 9: Swimming Is No Longer Allowed "to Protect the Aging Concrete Structures"

**CLAIM:** "Swimming in the pools below the waterfalls used to be allowed, but the site now prohibits it to protect the aging concrete structures. Older guides still say otherwise; they are out of date."

**VERDICT:** ⚠️ PARTIALLY TRUE

**INVESTIGATION SUMMARY:** The underlying fact — swimming used to be allowed and is now banned, making older guides outdated — is well confirmed. The stated *reason* (protecting the concrete structures) is not supported by any source found; the ban appears to trace to a COVID-era restriction that was never lifted, framed by current sources as a general conservation/visit-management policy rather than a structural-preservation measure specifically.

**EVIDENCE CHAIN:**

• **Primary Source:** [eva-darling.com — Las Pozas visitor account](https://eva-darling.com/) — "free exploration and swimming in the waterfalls and pools was allowed, however due to the global situation [COVID], this has changed"
• **Corroborating Source:** 2018-era TripAdvisor reviews explicitly advising visitors to "bring your swimsuit" — confirming swimming was once permitted

**DETAILED ANALYSIS:** The core, reader-facing advice in the post (don't expect to swim; older sources are wrong) is accurate and useful. But the causal claim about protecting concrete is not corroborated by any source found in this investigation — no official statement was located tying the swimming ban to structural decay. The post should either soften this to "for conservation reasons" or drop the stated rationale, since attributing a specific cause that can't be verified is the kind of detail that erodes trust if a reader digs deeper.

**CONFIDENCE:** Medium — The ban itself is well confirmed by multiple independent visitor accounts; the stated reason for the ban lacks a corroborating primary source.

CLAIM 10: The 2007 Purchase, Fondo Xilitla, and Land Passing to "Plutarco Gastélum"

**CLAIM:** "When James died in 1984, the land passed to Plutarco Gastélum, who halted all construction... In 2007 the Fundación Pedro y Elena Hernández, CEMEX and the San Luis Potosí state government bought the site for about US$2.2 million and created Fondo Xilitla, the trust that manages it today."

**VERDICT:** ⚠️ PARTIALLY TRUE

**INVESTIGATION SUMMARY:** The 2007 purchase details are well corroborated: the ~US$2.2 million price, the three named buyers, and the creation of Fondo Xilitla as the managing trust are all confirmed by independent sources. However, "the land passed to Plutarco Gastélum" in 1984 is a disputed simplification: the property was already legally registered under Gastélum's name since 1947–49 (as a legal proxy for James, a foreign national), so title didn't newly "pass" to him in 1984 — what changed was who exercised effective control. Sources also disagree on whether it was Gastélum senior or his son ("Kako"/"Caco") who held stewardship by the time of James's death.

**EVIDENCE CHAIN:**

• **Primary Source:** [Fundación Pedro y Elena Hernández — Xilitla, San Luis Potosí](https://pedroyelena.org/xilitla-san-luis-potosi/) — confirms the 2007 purchase and the foundation's role
• **Corroborating Source 1:** [Las Pozas — Wikipedia](https://en.wikipedia.org/wiki/Las_Pozas) — ~US$2.2 million, summer 2007, three named buyers, Fondo Xilitla created
• **Corroborating Source 2:** [Xilitla.net](http://www.xilitla.net/xilitla-edward-james.htm) — states the property passed to Gastélum's **son** ("hijo"), not Gastélum senior
• **Corroborating Source 3:** [Aló San Luis — "La historia negra detrás de la herencia de Edward James"](https://www.alosanluis.com/arte-y-cultura/xilitla-la-historia-negra-detras-de-la-herencia-de-edwar-james/) — an inheritance-dispute account describing conflict within the Gastélum family over control of the estate

**DETAILED ANALYSIS:** This is the most significant open discrepancy found in this investigation. It does not affect the article's practical value to readers, but it is a historically loaded detail (a documented inheritance dispute exists within the Gastélum family) that the article states as settled fact when the underlying sources disagree on exactly who held the property, and since when. The 2007 sale terms themselves, and Fondo Xilitla's creation, are solid.

**CONFIDENCE:** Medium — 2007 purchase details are high-confidence; the 1984 succession claim is contested across sources and would benefit from a more hedged phrasing ("passed to the Gastélum family") or a citation to Irene Herner's book *Edward James y Plutarco Gastélum en Xilitla: El Regreso de Robinson*, repeatedly cited as the authoritative account.

CLAIM 11: Heritage Designations (2006, 2009, 2010, 2012)

**CLAIM:** "State Cultural Heritage (2006), Mexico's UNESCO World Heritage Tentative List (2009), the World Monuments Fund Watch (2010) and Artistic Monument of the Nation (2012)."

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** All four designations and years are confirmed, with the UNESCO listing verified directly against UNESCO's own database and the 2012 designation traceable to a specific government decree.

**EVIDENCE CHAIN:**

• **Primary Source:** [UNESCO World Heritage Centre — Tentative List, "Las Pozas, Xilitla" (Ref. 5493)](https://whc.unesco.org/en/tentativelists/5493/) — submission date 30 November 2009, cultural site
• **Primary Source:** [World Monuments Fund — Las Pozas project page](https://www.wmf.org/projects/las-pozas) — included in the 2010 World Monuments Watch
• **Corroborating Source:** Mexican federal decree "Acuerdo Número 658," issued November 23, 2012 by the then-Secretary of Public Education under INBA, declaring Las Pozas an Artistic Monument of the Nation
• **Corroborating Source:** Regional press references to a November 18, 2006 state cultural-heritage decree (primary decree text not independently loadable, but consistently cited across secondary sources)

**DETAILED ANALYSIS:** The UNESCO Tentative List reference number (5493) and exact submission date add precision beyond what the post states, and could be added to a future revision for extra rigor. All four years check out.

**CONFIDENCE:** High — UNESCO and WMF designations verified against their own primary databases; the 2012 decree traced to a specific numbered government order.

CLAIM 12: Drive Times, the Ex-Convent, and Museo Leonora Carrington

**CLAIM:** "85 km (~1 h 20) from Ciudad Valles via highways 85 and 120, and roughly 4.5–5 hours from San Luis Potosí city." Also: "Construction of this fortress-monastery began in 1553, and it's often cited as the oldest standing building in the state." Also: "[Museo Leonora Carrington Xilitla] Opened in 2018... donated by the artist's son."

**VERDICT:** ✅ TRUE

**INVESTIGATION SUMMARY:** All three logistics/heritage claims check out. Route sources give Ciudad Valles–Xilitla as ~89 km / ~1h25 (a close match to "85 km / ~1h20," within normal rounding). San Luis Potosí city to Xilitla comes in around 4h41m by the fastest route, sitting at the low end of the claimed 4.5–5 hour range. The ex-convent's 1553 construction start is the most commonly cited date (one source gives 1550 as an alternative, a 3-year spread), and "often cited as the oldest standing building in the state" is correctly hedged, since no rigorous statewide architectural survey confirming the superlative was found. The Museo Leonora Carrington Xilitla opened October 19, 2018, with a collection donated by Pablo Weisz Carrington, the artist's son.

**EVIDENCE CHAIN:**

• **Primary Source:** Route-distance sources for Ciudad Valles–Xilitla (~89 km, ~1h25 via MEX-85 then MEX-120) and San Luis Potosí city–Xilitla (~321 km, ~4h41m)
• **Corroborating Source 1:** El Universal (regional edition) — ex-convent construction range cited as 1550–1557; other regional sources cite 1553
• **Corroborating Source 2:** [Forbes México — museum inauguration](https://forbes.com.mx/forbes-life/inauguran-museo-de-leonora-carrington-en-el-pueblo-magico-de-xilitla/) and [Milenio](https://www.milenio.com/estados/museo-leonora-carrington-xilitla-historia-costo-horario) — confirm October 2018 opening and donation by Pablo Weisz Carrington

**DETAILED ANALYSIS:** The post's practice of hedging superlative or disputed claims ("often cited as") is the right approach here and holds up under scrutiny — the underlying facts are directionally correct even where an exact figure (1550 vs. 1553; 4h41m vs. "4.5–5 h") varies slightly by source.

**CONFIDENCE:** High — Drive times, museum facts, and the ex-convent date are each corroborated by at least two independent sources.

PATTERN ANALYSIS

ACCURACY PATTERNS

Practical/logistical claims — prices, hours, reservation rules, guided-tour format — are the most rigorously accurate part of the post, matching the official Las Pozas site nearly verbatim. This is the category that most affects a reader's trip and the category the post gets most precisely right. Historical claims are also strong, but this is where the four partial verdicts cluster: overstated verbs ("collaborated on" vs. "commissioned"), an understated discrepancy range (structure counts), an unsupported causal claim (why swimming is banned), and a contested succession detail (who inherited the property in 1984). None of these rise to fabrication — they are precision issues in an otherwise carefully sourced piece.

BIAS INDICATORS

No commercial or promotional bias detected. If anything, the post errs toward caution: it explicitly flags known discrepancies (structure count, "oldest building," the butterfly anecdote) rather than asserting a single number as fact, which is a stronger-than-average disclosure practice for a travel-guide format. The one place this caution lapses is the swimming-ban rationale, which is stated as settled fact without a supporting source.

SOURCING QUALITY

The post's own sources footnote (laspozasxilitla.org.mx, Wikipedia, UNESCO Tentative Lists, World Monuments Fund, Museo Leonora Carrington, El Universal SLP) matches almost exactly what this investigation independently found and verified as the correct primary/secondary source set for these facts. This is a strong signal that the original research for the post was done properly, rather than reconstructed from secondary aggregation.

METHODOLOGY NOTES

SEARCHES CONDUCTED

• Edward James biography, Dalí patronage contract, Magritte portraits (Not to Be Reproduced, The Pleasure Principle)
• Las Pozas construction history, cost, and structure-count discrepancies across official and media sources
• Official Las Pozas site (laspozasxilitla.org.mx / en.laspozasxilitla.org.mx) direct fetches for prices, hours, reservation policy, tour format, and swimming rules
• Fondo Xilitla formation, 2007 purchase terms, and post-1984 ownership succession within the Gastélum family
• UNESCO Tentative Lists database (ref. 5493), World Monuments Fund project pages, and Mexican federal heritage decrees
• Xilitla ex-convent construction dating and Museo Leonora Carrington Xilitla opening/provenance
• Route-distance verification for Ciudad Valles–Xilitla and San Luis Potosí city–Xilitla

SOURCES CONSULTED

Tier 1 (Primary): laspozasxilitla.org.mx / en.laspozasxilitla.org.mx (official site, fetched directly), UNESCO World Heritage Centre, World Monuments Fund, Fundación Pedro y Elena Hernández — 4 sources Tier 2 (Institutional/Government): Mexican federal decree (Acuerdo 658, INBA, 2012), state cultural-heritage decree references — 2 sources Tier 3 (Encyclopedic): Wikipedia (Edward James, Las Pozas, Not to Be Reproduced, Lobster Telephone) — 4 sources Tier 4 (Established Media): Forbes México, Milenio, El Universal, Proceso, Sotheby's, National Galleries of Scotland — 6 sources Tier 5 (Regional/Specialist): Xilitla.net, Aló San Luis, Philadelphia's Magic Gardens, huasteca-potosina.com, eva-darling.com — 5 sources

LIMITATIONS

• The UNESCO Tentative List page (whc.unesco.org) blocked direct WebFetch requests; its details were confirmed via consistent search-engine caching across two independent queries rather than a direct page load.
• The 1984 succession within the Gastélum family (father vs. son, and exact legal chain of title) remains genuinely disputed across sources; a definitive resolution would likely require Irene Herner's book *Edward James y Plutarco Gastélum en Xilitla: El Regreso de Robinson*, which this investigation could not access directly.
• No official, single-source annual visitor count for Las Pozas was found; "well over 100,000" (a claim not scored individually above, folded into general corroboration) is a defensible characterization given a found range of roughly 100,000–200,000+, but lacks one authoritative figure.
• Prices, hours, and reservation policies at Las Pozas are subject to change; findings reflect the live official site as of the July 2026 verification date.

**VERIFICATION DATE:** July 2, 2026