🇺🇸 United States · Earthwork
Ingomar Mound
Middle Woodland Miller culture 100–600 CE · Miller (Woodland)
Isolated conical mound 25 ft/7.6 m high, 70 ft/21 m diameter, tallest extant Woodland mound in north Mississippi.
🇲🇷 Mauritania · Megalith
El Ghaddar — Old Awkar Stone Cairn Fields Mauretania
Neolithic to Iron (3500 BCE–800 CE tumuli sequence) · Saharan Neolithic to Berber/Garamantian fringe
Awkar surveyed by Vernet & Naffé 1990s, tumuli chain 1000.