🇾🇪 Yemen · Hydraulic works
Sadd Al-Rahwah Dam (Hadramawt Highland Dam)
Himyarite–Hadrami to Rasulid · Hadrami kingdom to Rasulid dynasty
Hadramawt highland: 45-m crescent dam at Shibam hinterland, Himyarite 500 BCE–Rasulid 12th c.
🇪🇷 Eritrea · Ancient city
Qohaito — Ancient Highland Town
Pre-Aksumite D'mt to Aksumite (700 BCE–600 CE) · D'mt / Sabean-Eritrean / Aksumite
Qohaito (Koloe) is a 750 ha pre-Aksumite to Aksumite highland city on the Eritrean plateau edge at 2595 m, flourishing 500 BCE–600 CE as D'mt precursor to Aksum.
🇲🇽 Mexico · Pyramid
Cantona Pyramid — Acropolis South (Puebla)
Classic to Epiclassic · Cantona culture (highland central Mexico)
High-altitude lava-block pyramid city at Cantona — 15 m acropolis pyramid at 2550 m c.600 CE with 24 ball courts and walled lava causeways.
🇺🇸 United States · Ancient village
Chimney Rock Pueblo (Chimney Rock National Monument)
Chaco Bonito (Late Pueblo II) · Chaco (highland Ancestral Pueblo)
Perched astronomical great-house pueblo (c.1075–1125 CE, Chacoan) on 2,280 m ridge between two 30-m chimney pinnacles — southernmost Chaco outlier controlling Upper San Juan timber/ game highland.
🇯🇴 Jordan · Ancient village
Basta
LPPNB (Late PPNB) · Levantine LPPNB
Late Pre-Pottery Neolithic B village (7500–6800 BCE, up to 10 ha), one of the largest and highest-altitude Neolithic settlements, controlling the Petra limestone plateau.