Blue Corner, Chandelier Caves, Peleliu Express, German Channel — they’re the stuff of legend, some of the most storied dive sites in all the world’s oceans (and if they’re not on your bucket list, they should be).

Belize may be one of the smallest nations in Central America, but it boasts some of the planet’s best diving. Three of the four true atolls in the western hemisphere lie 30 to 60 miles in crystal-clear water off the mainland of Belize, and offer fish- and coral-packed walls that plummet 3,000 feet below, and two of them — Lighthouse and Turneffe — are the stuff of scuba-diving legend.

Think you’re fit to become a dive leader? NAUI’s FIT program will test your skills and tell you where you stand.

Photographer Thomas Peschak comes across a hammerhead that's lost its life to the shark fin-trade on the streets of Oman.

The experts at Divers Alert Network break down what you need to know before taking the risk of diving in an overhead environment.

Boyan Slat, 23.

Scuba Diving Gear Guide

Citizen, a pioneer in watchmaking and innovative technology since 1918, promotes excellence and creativity with a deep-rooted respect for craftsmanship.

Simplify your sharing process by uploading images to Facebook directly from Lightroom.