Paths to Adventure: Castles and Strongholds

Strongholds of the Samurai: Japanese Castles 250-1877 (General Military)

Strongholds & Followers Temple Variant Rules : r/UnearthedArcana

Antonia Fortress - Wikipedia

Strategic beauty: Incredible, wondrous castles of Turkey

The temple is A palace of - Driven Deep by Paul Moore

In Pics: From Amer Fort to Umaid Bhawan Palace, a look at architecture by Rajput rulers

Minecraft Dungeons:The Stronghold – Minecraft Wiki

The Ancient City of Naqa - The Kushite Religious Stronghold

Oldest Forts in India

{WH} Fortresses, Temples, & Strongholds, rules for building and customizing player-owned structures! - Dungeon Masters Guild | Dungeon Masters Guild