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🇮🇹 Italy · Megalith
Late Neolithic – Early Bronze Age, Ozieri/Abealzu-Filigosa (~4000–2700 BCE) · Ozieri (Late Neolithic Sardinian)
Mysterious 36-by-29-m truncated step pyramid of limestone fill on the Sardinian plain, accessed via a 42-m ramp to a summit altar where sacrifice deposits and a sandstone menhir were found.
🇫🇲 Federated States of Micronesia · Archaeological wonder
Saudeleur Dynasty 1200–1500 CE; construction ~1180–1628 · Pohnpeian / Saudeleur
Abandoned basalt-and-coral city covering 18 km² of reef flats southeast of Pohnpei with ~92 artificial islets bounded by sea walls and tidal canals, with walls up to 8 m high built from columnar…
🇮🇩 Indonesia · Megalith
Late prehistory to early classical; accepted 2000 BCE–1500 CE oral claims; controversial Pleistocene claim 25,000 BCE · Austronesian / Sundanese prehistoric; possibly pre-Hindu Javanese
Stepped hilltop punden berundak (terraced pyramid) with five basalt column terraces, retaining walls and standing stones covering 150×45 m at 885 m elevation; upper structures dated 45 BCE–22 CE,…
🇵🇪 Peru · Archaeological wonder
Inca Imperial 15th century; continued as Neo-Inca stronghold 1537–1572 · Inca
Inca royal estate and ceremonial center in Sacred Valley with unfinished Temple Hill featuring six massive pink rhyolite monoliths (Wall of Six Monoliths) and extensive terraces that doubled as…
🇧🇴 Bolivia · Megalith
Tiwanaku Period 536–600 CE (complex radiocarbon dated) · Tiwanaku
Terraced platform mound within Tiwanaku complex famous for precision-cut andesite and red sandstone blocks with drilled holes, flat planes and interlocking joints to 0.5 mm tolerance, scattered as if…
