The stone fort that Abu Dhabi grew up around, and the closest thing the city has to a foundational monument.
Qasr Al Hosn began as a watchtower built around a freshwater well in the 18th century and grew into the seat of the ruling Al Nahyan family, making it the oldest stone building in Abu Dhabi and the physical starting point of the city's history — long before oil wealth transformed the skyline around it.
The restored fort now functions as a museum telling the story of Abu Dhabi's growth from a small fishing and pearling settlement to a modern capital, with exhibits covering the pre-oil era in more depth than most of the city's newer attractions.
Next door, the Cultural Foundation hosts art exhibitions, a library and public events, and is a useful stop to pair with the fort for a half-day focused on Abu Dhabi's history and contemporary arts scene rather than its theme parks.