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Tagswall
4 places carry this tag, across every kind and continent it appears in.
🇯🇴 Jordan · Hydraulic works
Hellenistic to Byzantine 250 BCE–450 CE · Hellenistic Balqa then Roman Decapolis chora
Walled twin cisterns 22×12×6 m 2,800 m³ with 420-m channel + 18 m dam closing gully — Hellenistic cistern-city 580×320 m.
🇵🇪 Peru · Megalith
Late Intermediate pre-Inca hypothetically Chachapoya fringe or colonial hypothesis Late Intermediate contested · Chachapoyas fringe / possibly 19th c. coffee retaining (unvalidated)
Megalithic andesite wall 80×3.2 m on Caynarachi terrace 1100 m — polygonal dry coursing with chamfer notch, terrace 40×30 m, ware 800–1400 CE.
🇱🇾 Libya · Ancient city
Archaic Greek to Islamic (630 BCE–7th c CE) · Greek / Ptolemaic / Roman / Byzantine
Archaic Greek harbour with 2.5-km 610 BCE bastioned wall and earliest black-figure ceramics stratigraphy.
🇧🇸 Bahamas · Cave
Pseudoarchaeology 1886 claim (Le Plongeon 12,000 BCE Atlantis vs Jurassic 100 Ma reef) · Le Plongeon–Berlitz Atlantis school
Bahama Bank 4-km carbonate escarpment claimed as Atlantis fort wall — natural 100 Myr reef platform wall.