RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
2,237 results for "El Castillo" — page 35 of 112
M_4_02 — Proto-Agriculture and Managed Landscapes
This document examines Proto-Agriculture and Managed Landscapes, a topic within the Forbidden Archaeology research area. Key areas of investigation include The "Neolithic Revolution" Concept, Independent Invention: A Glo
M_4_10 — Giants in the Archaeological Record: Separating Fact from Fiction
Claims of giant human skeletons — remains of individuals standing 7, 8, 10, or even 30+ feet tall — are among the most persistent themes in alternative archaeology, appearing in 19th-century newspaper accounts, religious
M_4_15 — The Richat Structure and the Atlantis Hypothesis
The Richat Structure (Guelb er Richat, "Eye of the Sahara") is a prominent ~40-km-diameter circular geological formation in the Adrar Plateau of Mauritania (21.13°N, 11.40°W). Its concentric ring pattern — visible from s
M_2_13 — Nan Madol — Pacific Megalithic Mystery
Nan Madol — a complex of 92 artificial islets built on a coral reef flat off the southeastern shore of Pohnpei (Federated States of Micronesia) — is the only ancient city in the world built entirely on water, and one of
M_2_08 — Underwater Structures of Lake Titicaca & Japan
Multiple significant underwater stone formations have been documented in two distant but thematically related regions: Lake Titicaca (Bolivia/Peru) and the waters surrounding the southern Japanese Ryukyu Islands.
M_2_12 — Çatalhöyük — Neolithic Revolution and Anomalous Urbanism
Çatalhöyük (pronounced "chah-tahl-hö-yük") — a Neolithic proto-city on the Konya Plain of south-central Turkey, occupied approximately 7500–5700 BCE — is one of the most important archaeological sites in the world for un
M_2_14 — Tiwanaku and the Altiplano — High-Altitude Anomalous Engineering
Tiwanaku (also spelled Tiahuanaco) — located at 3,850 meters elevation on the Bolivian Altiplano, approximately 20 km southeast of Lake Titicaca — was the capital of one of the most significant pre-Columbian civilization
M_2_01 — Anomalous Megaliths: Nan Madol, Baalbek, and Unexplained Engineering
Several ancient megalithic sites worldwide exhibit engineering achievements that remain difficult to fully explain with our current understanding of the tools, techniques, and organizational capacity available to their b
M_2_04 — Longyou Caves — China's Mysterious Hand-Carved Caverns
The Longyou Caves are a group of at least 24 large, hand-carved underground caverns discovered in 1992 near Longyou village, Quzhou prefecture, Zhejiang Province, southeastern China.
M_2_09 — Baalbek Trilithon and Megalithic Quarrying
The Trilithon of Baalbek — three colossal limestone blocks forming part of the podium (retaining wall) of the Temple of Jupiter at Baalbek (ancient Heliopolis) in Lebanon's Beqaa Valley — represents one of the most extra
M_1_01 — OOPArts Catalog (Out-of-Place Artifacts)
"Out-of-Place Artifacts" (OOPArts) are objects that appear anomalous for their age or context. This document catalogs 17 major OOPArts, individually rated. The critical finding: 4 are GENUINE (Tier 1) — real artifacts wi
M_1_07 — Crystal Skulls Examination
Crystal skulls — life-sized or near-life-sized human skull models carved from clear or milky quartz crystal — have been among the most enduring icons of alternative archaeology since the late 19th century. Approximately
M_1_18 — Ancient Metallurgy Anomalies
Ancient metallurgical achievements frequently surpass what conventional archaeological narratives would predict for their time periods, leading to enduring debates about the sophistication of pre-industrial materials sci
M_1_09 — Voynich Manuscript — Undeciphered Text Analysis
The Voynich Manuscript (Beinecke Rare Book and Manuscript Library, Yale University, catalog number MS 408) is a hand-written, lavishly illustrated codex of approximately 240 vellum pages (c. 234 surviving, some missing)
M_1_04 — Costa Rica Stone Spheres (Las Bolas)
The stone spheres of Costa Rica (Las Bolas or petrosferas) are over 300 pre-Columbian stone sculptures found primarily in the Diquís Delta of southern Costa Rica.
M_1_06 — Roman Dodecahedra — Hundreds of Mysterious Artifacts
Roman dodecahedra are small hollow bronze (occasionally stone or lead) objects with 12 pentagonal faces, each containing a circular hole of varying diameter, with knobs or protuberances at each of the 20 vertices.
M_1_16 — Göbekli Tepe Pillar & Enclosure Analysis
Göbekli Tepe — the monumental Neolithic ritual complex located on a limestone ridge ~15 km northeast of Şanlıurfa in southeastern Turkey (coordinates: 37°13′23″N, 38°55′21″E) — contains the oldest known monumental stone
A_1_15 — Mesopotamian Wisdom Literature
Mesopotamian wisdom literature — spanning over 2,000 years from Sumerian proverb collections (c. 2500 BCE) to late Babylonian philosophical dialogues (c. 500 BCE) — represents humanity's earliest sustained written engage
A_1_23 — Proto-Writing & Token Systems: Precursors to Cuneiform
The invention of writing in Mesopotamia around 3200 BCE was not a sudden innovation but the culmination of an 8,000-year evolution of information recording technologies. Beginning with simple geometric clay tokens in the
A_1_11 — Ebla Tablets and Third-Millennium Syrian Archives
The Ebla tablets comprise approximately 17,000 cuneiform tablets and fragments discovered at Tell Mardikh (ancient Ebla) in northwestern Syria between 1964 and 1975 by an Italian archaeological team led by Paolo Matthiae
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