Wabar is one of the most important heritage sites in the Governorate of Dhofar.
The site was listed on UNESCO’s World Cultural and Natural Heritage list in 2000 in the Governorate of Dhofar, under the name of Frankincense Land Sites, with Al Baleed Park archaeological, Samahram Archaeological Park and Frankincense Sanctuary in Wadi Dokka.
During 1992-1995, the Sultanate, in cooperation with the University of South Missouri, explored this historic site on top of a limestone hill.
Although archaeologists discovered small sites scattered in the area dating back to the Stone Age (5000-4000 BCE), settlement events in the region was there during the Iron Age (325 BC – 625 AD), where some pottery and frankincense tools were found in the castle. They belong to the first century BC to the middle of the Islamic era.