The Best & Most Historic Forts in India

Azerbaijan's 10 best castles and fortresses

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

Strongholds & Followers Temple Variant Rules : r/UnearthedArcana

Shogun Stronghold: Samurai Castles in Japan - Travelogues from Remote Lands

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)

13 Cave Castles, Temples, and Buildings Carved In Mountains

The Greatest and Best Forts in the World - KarsTravels

15 Historic Forts From India

Jiayuguan Fortress – Jiayuguan, China - Atlas Obscura

Strongholds, The Old World Wiki