Melissani Cave, on Kefalonia Island in Greece, features a sky-blue lake within the cave. The lake is shallow and clear, and is covered with stones at the bottom. The cave was rediscovered in (In Greek mythology, Melissani was the cave of the nymphs.
The Baatara gorge waterfall.The Baatara gorge waterfall (Balaa gorge waterfall) is a waterfall in the Tannourine, Lebanon. The waterfall drops 255 metres ft) into the Baatara Pothole, a cave of Jurassic limestone located on the Lebanon Mountain Trail.
Catalonia is an autonomous community of Spain and an officially recognized Catalonia comprises four provinces: Barcelona, Girona, Lleida, and Tarragona. The capital and largest city is Barcelona, the second largest city in Spain.