Oman

Bahla Fort
A massive mud-brick fortress, the capital of the Banu Nebhan and the centre of Ibadism in the Middle Ages.

Ancient City of Qalhat
The ruins of a major trade-route city of the Kingdom of Hormuz.

Aflaj Irrigation Systems of Oman

Archaeological Sites of Bat, Al-Khutm and Al-Ayn

Land of Frankincense

DELISTED: Arabian Oryx Sanctuary. Delisted because of the decline in the Arabian Oryx population and reduction in size of the sanctuary.