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Photo: F igy, Public domain via Wikimedia Commons
Archaeological s in the Hajar Mountains. UNESCO describes it as the "most complete collection of settlements and necropolises from the 3rd millennium B.C. in the world."
The Archaeological Sites of Bat, Al-Khutm and Al-Ayn are a group of beehive tombs or necropolis from the Hafit period in the 3rd Millennium BC, located near a palm grove in Oman. They were declared World Heritage by UNESCO in 1988, becoming only the second such Omani site after the Bahla Fort was designated world heritage in 1987.
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A world heritage site made up of five ancient irrigation systems. They are located in the regions of Ash Sharqiyah and Al Batinah, in the Hajar Mountains.