Stunning underwater video taken from the wildest expeditions of the world's greatest dive shops highlight the ocean's most spectacular species.

Hammerheads, Galapagos sharks, rays, and other species populate the waters of Cocos Island.

Home to the world's second-largest barrier reef, Roatan is one of the world's top dive spots - known for its rare black corals, low-lying nurse sharks and fearsome-looking barracuda.

Exploring the wild blue caribbean waters of cozumel, from the paso del cedral coral reef to the world's longest subterranean underwater cave system.

Clear waters, deep reefs, and dangerous caves.

The Bahamas are surrounded by coral reefs and underwater caves with sharks, turtles, and dolphins.