Fortress of Klis - Wikipedia

The City Walls, Fortifications and Fortresses of Kotor - Euscentia

A Bucket List of Star Cities Scattered Across our Globe

A Bucket List of Star Cities Scattered Across our Globe

A Complete Guide to Visiting Narikala Fortress in Tbilisi

Visit Dalmatia Šibenik - Barone Fortress was built in 1646 on Vidakuša, the 80 meter-high hill above the city. Along with the other three fortresses in Šibenik, it represents a unique defence

Hiking to Montenegro's Kotor Fortress – Travels With Tricia

Fortress Macao

Suwon, South Korea: Impressive fortress is like a mini Great Wall

Byzantine Fortress of Archaeopolis (Nokalakevi), Georgia (Illustration) - World History Encyclopedia

Cities for the Legions: A Brief look at the Roman Fortress