With careful planning and a bit of luck, some divers get the chance to see hundreds or even thousands of rare animals underwater at once.

Expert tips on how to master Washington's currents so you can experience the region's riot of underwater color, from Great Pacific Octopuses to painted dahlia anemones.

Divers Blair Morrow and Ryan Picou discovered two mammoth tusks in the Gulf of Mexico while on a scuba charter.

The best dive sites in northern Idaho, including a lake with more than 60 wrecks.

This European city is as much a scuba diving destination as an urban oasis for food and culture.

Divers witness a life and death melee in the waters of Monterey during the annual squid mating aggregation.

This professional cave diver treks through the remote Canadian Territory of Nunavut to scuba dive with the greatest predator in the Arctic.