Scuba diving the glass sponge reefs in British Columbia, Canada, presents a unique opportunity for divers to see a very rare, ancient organic reef structure.

World-class underwater photo ops await on the storied coral reefs in Cozumel, Mexico. Here are five must-dive sites in Cozumel.

On South Africa's Wild Coast, divers travel near and far for a chance to take part in the world's largest sardine run.

Scuba diving in the Azores offers epic encounters with pelagic species such as blue sharks, sperm whales, devil rays and more.

The Turks & Caicos Aggressor II liveaboard visits the Dominican Republic's Silver Bank, where divers can swim with humpback whale mother and calf for incredible encounters.

Our travel guide to the best scuba diving in Flores and Alor covers the diving conditions in Flores and Alor, the best dive sites, travel tips and more.

The Nai'a liveaboard delivers scuba divers to the best sites in Fiji, the "Soft Coral Capital of the World." ^^^^

The best scuba diving in Big Sur, California, offers amazing underwater encounters.

There's so much to explore in French Polynesia when you have the range of a liveaboard yacht, including waves of sharks and more.