sixpenceee:Northeast Georgia is home to Ellison’s cave. At 586 feet deep, it’s the deepest known cave pit in the United States. A rock dropped from the top is said to take about eight seconds to reach the ground.
open cave, ahrax mellieha, Mellieha, Malta - Recommended by a friend and situated in the North of the island. Reachable by canoe/boat from Armier bay from the left. Another hidden gem in the little island of Malta!
Tulum, Mexico // Tulum is the site of a Pre-Columbian Mayan walled-city serving as a major port for Cobá. The ruins are situated on tall cliffs, along the east coast of the Yucatán Peninsula on the Caribbean Sea in the state of Quintana Roo, Mexico.