🇱🇾 Libya · Ancient city
Boreum
Roman (Augustan–7th c. CE) · Roman (Tripolitania)
Syrtic frontier fort at Bu Grada lagoon terminus of limes road.
🇸🇰 Slovakia · Fortress
Bojna
Early Medieval Great Moravian frontier 800–950 (830–900 peak) · Great Moravian Slav frontier elite (Mojmirid) + Carolingian Frankish
Bojná-Valy — Great Moravian frontier stronghold system (c.800–950, peak 830–900) at Považský Inovec foothills above Bojňanka stream, comprising Valy 12 ha fort, Bojná I–III forts covering 20 ha, 3…
🇪🇨 Ecuador · Archaeological wonder
Ingapirca
Ca. Cañari 900–1460 CE + Late Horizon Inca 1460–1532 CE · Cañari + Inca (Quechua, Tawantinsuyu frontier, Inca–Cañari mestizo architecture)
Highest Inca administrative-religious center in Ecuador and sole true Inca site with ashlar (Inca) + adobe Cañari fusion: elliptical Temple of the Sun (39×15 m mortised ashlar ellipse unique in Inca…
🇲🇽 Mexico · Archaeological wonder
Huntichmul
Maya Late to Terminal Classic 600–1000 CE · Maya (Cehpech–Sotuta transitional / Itzá frontier)
Ditched enclosure frontier city, 600–1000 CE, Petén corridor.