Bahla Fort is a World Heritage Site recognized by UNESCO as being a monument of global importance..  It is believed to be the first fort constructed by the Persians during the pre-Islamic era, which is  more than 1,400 years ago.  The fort stands on a huge sandstone and dominates the skyline of this place.  There were three phases of reconstruction.  The first in 830 AD, next in 1624 and last in 1868.  It is now being restored by the Moroccans.  Construction material used during the ancient times were stones, clay, bricks, palm trunk, wood work, straw, dung and plaster.  Originally the wall had 15 entrances and 132 towers of which only 6 remain.  Legend has it that this wall was built and designed by a woman named Geitha 600 years ago. The wall is 13 kilometres long.

The prehistoric site of Bahla was discovered in 1973.  the excavations were not started until the beginning of 1980's.  Studies concentrated on the burial customs, copper production, the geography of the region and the architectural methods used in building.  

Occupation in  Bahla was divided into two distinguishable periods.  The first period, settlements are dated to the middle of the 3rd millennium BC.  Located to the south of Wadi Bahla bank and to the north of Al Dhabi village.  Cemeteries are of special interest due o the single burial chamber situated on the high hill. 

The second period had settlements dated from the 3rd millennium BC to the beginning of the second millennium BC.  It was located in the area along Al Dhabi village to Bisya borders.  The cemetery was built inside the settlement and distinguished by the partition discovered in the chamber.