Hengill, Iceland - Hengill was formed from a Palagomite tuff, it is a central volcano and has a giant magma chamber beneath it. When thick basalt lava flows cool, they form hexagonal cracks, called columnar joints
The Baatara gorge waterfall (also known as the “Cave of the Three Bridges”) in Tannourine, Lebanon. The waterfall drops 255 metres ft) into the Baatara Pothole, a cave of Jurassic limestone located on the Lebanon Mountain Trail.
This is an ice cave, known as "crystal Cave" on the frozen lagoon of the Svínafellsjökull glacier in Skaftafell, Iceland. This snow, which is up to 1000 years old has metamorphosed into highly pressurized glacier ice that contains almost no air bubbles.
The cruise tour to the caves starts from Albufeira Marina in the city of Albufeira. During the cruise you will have the opportunity to discover fantastic caves such as Cathedral cave and other - Portugal (via Benagil Cave, Algarve, Portugal
Forgotten Temple of Lysistrata, Greece. This really is not a forgotten temple in Lysistrata, Greece. This is a photoshopped image of the Pantheon in Rome and a beach somewhere on Earth. but it`s so beautiful