Jeita Grotto, Lebanon
Jeita Grotto is one of the most famous natural attractions in Lebanon. It is a complex consisting of two karst caves - the Upper and the Lower Caves formed by a river of limestone rock. The length of the lower cave is about 6900 m and the top is about 2200 m. The Lower cave was inhabited in prehistoric times, then it was re-opened by an American missionary in 1836. It was opened t...