From the inky depths of Belize’s Blue Hole to Australia’s Great Barrier Reef, there are dozens of underwater alcoves the world over to explore with your trusty SCUBA gear. You’ll find your inner Nemo in one of these gorgeous underwater oasis – just trust us and take the plunge.
Here are the top fifteen places to swim through the world’s underwater “cities.”
1. Blue Hole Reef
Jacque Custos described the Blue Hole as a heavenly meeting between the ethereal and the divine. Swimming through the inky black depths, you can easily see how he was right.