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Tagsflatiron
1 place carries this tag, across every kind and continent it appears in.
🇧🇦 Bosnia and Herzegovina · Pyramid
Miocene–Pliocene geological formation; claimed 12,000 BCE hypothesized (no evidence) · Natural geology; attributed by claimant to unknown Ice Age civilization ('Atlanteans')
Natural hills (Visočica, Plješevica) claimed by Semir Osmanagić since 2005 as ancient pyramids with tunnels (Ravne) and pavements.