The pool features underwater caves and a suspended, transparent, underwater tunnel for guests to walk through Credit: Caters News Agency. Emanuele said: "Y-40 is the only pool so deep with thermal ...

World’s deepest pool with underwater city, caves for exploration opens By . Ben Cost. Published July 9, 2021. Updated July 12, 2021, 9:47 a.m. ET. Explore More ...

The Deepspot pool, a practice site for divers, has a simulated “blue hole” running down to its deepest point, and contains a small shipwreck, artificial underwater caves and mock Mayan ruins ...

The circular underwater cave is home to an exotic variety of marine life, including reef and nurse sharks. The hole is, as the name suggests, perfectly circular, and is 410 feet (125 meters) deep ...

Although it’s not entirely underwater, part of this stunning cave includes an underwater pool that is perfect for swimming and diving. The cave is famous for its sheer size, with an opening that ...

This massive underwater sinkhole off the coast of Belize is the world's largest natural formation of its kind and a popular destination for scuba divers. Inside the 400 ft deep sinkhole, you'll ...