Al Hoota Cave The biggest cave system in the Arabian Peninsula is home to a rare variety of blind fish. Bahla Fort If you dare visit this fort, fire-breathing hyenas might devour your camels. Beehive Tombs of Al Ayn The best-preserved beehive tombs in Oman with spectacular backdrop. Beehive Tombs of Bat Groups of prehistoric tombs that dot the mountains of northern Oman. Bibi Maryam Mausoleum This lonely tomb is all that remains of a once-bustling ancient trade hub visited by Marco Polo. Bimmah Sinkhole A sinkhole and now a swimming hole, too, full of dazzling turquoise water. 1 2 3 4 Next »