Looking for an out-of-the-ordinary shark dive? Here are five you probably haven't heard about but should — plus 15 favorites we just can't get enough of.

One of the oldest wrecks on the Shaab Abu Nuhas Reef, the wreck of the SS Carnatic is a beautiful dive site in the Red Sea.

Watch the excitement experienced by Stuart Cove's Dive of a Lifetime contest winner, Dallas Staheli, as he dives walls and brightly colored reefs.

Lake Garda is a holiday hotspot for sun-seeking tourists, who come to sample the delicious local cuisine, the fine wines and the stunning scenery — and diving.

Scotland's Scapa Flow boasts one of the highest concentrations of diveable World War I wrecks in the world.

Germany's Lake Constance is a prime dive site for everyone, from raw novices to seasoned technical divers.

While the Weissensee is popular with swimmers and fishermen, it is also a hotspot for divers. There are numerous shore and boat dives available that show off a variety of underwater spectacles from this high-altitude lake — including submerged trees and huge carp, perch and pike.

Malta is renowned for its wreck diving, a sublime blend of genuine shipwrecks from wartime action or maritime mishaps and artificial reefs.

Narvik is undoubtedly one of the best places in the world to dive and see wrecks from World War II. Learn more about this unique location.