Build A Stronghold — Level Up: Advanced 5th Edition (A5E)

Armenia, Places To Go

Ten fabulous fortresses in Israel

Ancient Greek fortress may solve archaeological mystery in Jerusalem

DnD 5e Homebrew — Fortresses, Strongholds and Temples for Players

DnD 5e Homebrew (Search results for: stronghold)

Lesson – Build a Fortress of Spirituality and Protection & Where Will This Lead?

13 Cave Castles, Temples, and Buildings Carved In Mountains

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)

Strongholds, The Old World Wiki

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