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Castles and Fortresses that you may have never heard of

10 Most Amazing Fortresses in Bulgaria

5 Fortresses in Turkey - Atlas Obscura

A look inside restoration of Byzantine, Ottoman-era Yedikule Fortress

Erebuni Fortress: Visiting the Ancient Foundations of a Modern Capital - Sailingstone Travel

Exploring Hohensalzburg Fortress Salzburg - The World Is A Book

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

Walls of Dubrovnik architecture • Dubrovnik fortress

Koenigstein Fortress in Koenigstein - Tours and Activities

Tips for Hiking to San Giovanni Fortress in Kotor, Montenegro - Rachel's Ruminations