Antonia Fortress - Wikipedia

Creating Strongholds for Your DND Character: Castle to Kingdom Strategies

DnD 5e Homebrew (Search results for: stronghold)

20 Most Popular Big Forts in India

Canaanite Stronghold From the Time of the Judges Found in Israel

The ancient rock fortress of Yapahuwa is similar to, but smaller than, Sigiriya. Dating from the 13th century, it was the capital and main stronghold of King Bhuvanekabahu I (1272 - 1284)

Strategic beauty: Incredible, wondrous castles of Turkey

Minecraft Dungeons:The Stronghold – Minecraft Wiki

The Ancient City of Naqa - The Kushite Religious Stronghold

Walrock Homebrew: Worldbuilding Option: Fortresses, Temples, & Strongholds [Fourth Draft]

Walrock Homebrew: Worldbuilding Option: Fortresses, Temples