With great blessing of the Almighty from the hotel and drive to Wadi Dawka (UNESCO World Heritage site), also known as the ‘Frankincense Trees’ which has the largest collection of naturally grown Frankincense trees in the region. Discover the history of Frankincense as well as its applications in the modern world. Proceed to the “The Lost City of Ubar” (UNESCO World Heritage site), one of the ancient sites in the Dhofar region where archaeologists using remote sensing equipment discovered the city’s remains in 1992. Ubar is thought to have been inhabited from approximately 2800 B.C. to approximately 300 A.D. and was an important trading center for frankincense before being buried in the rising dunes. At the site, there is a small museum displaying archaeological discoveries. The bleak, arid desert of Rub al Khali, also known as the Empty Quarter, stretches from the mountain’s foothills to an enormous sandy plain that covers the majority of the area.