Over the years, the building has served as a home for Abu Dhabi's rulers, the seat of government, a consultative council, and a national archive. Today, it serves as a museum and is perhaps the most iconic of all Abu Dhabi landmarks. Dhs30. Sat-Thu 10am-3pm, 7pm-midnight, Fri 7pm-midnight. Al Hosn, qasralhosn.ae.