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Search 3,717 documents across 34 fields — every claim tier-rated by evidence
3,717 documents
34 sections
47,686 citations
34,596+ keywords indexed
4 evidence tiers
63 results for "underwater UFO" — page 4 of 4
D_4_10 Speculative
Sites & Artifacts
D_4_10 — Yonaguni Formation: Japan's Submerged Stone Controversy
The Yonaguni Formation (also called the "Yonaguni Monument" or "Yonaguni Submarine Ruins") is a submerged rock structure located off the southern coast of Yonaguni Island, the westernmost of Japan's Ryukyu Islands (24°26
Yonaguni
Yonaguni Monument
Masaaki Kimura
Robert Schoch
submerged structure
natural formation
D_4_09 Verified
Sites & Artifacts
D_4_09 — Cenotes: Maya Sacred Wells, Karst Hydrology, and Underworld Cosmology
Cenotes (from Yucatec Maya dz'onot or ts'onot) are natural sinkholes formed by the dissolution and collapse of limestone bedrock in the Yucatan Peninsula, exposing the vast underground freshwater aquifer beneath. Over 6,
cenote
dz'onot
Yucatan karst
Chichén Itzá
Sacred Cenote
Maya sacrifice
D_4_00
Sites & Artifacts
D_4_00 — Submerged Underground: Subfolder Summary
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