Regenerative travel—leaving a place better than before you visited—may seem like a marketing ploy, but a trip to Egypt to explore one of PADI's Adopt the Blue programs is proof of practice.

Declared a UNESCO World Heritage Site in 1996 – along with six other areas surrounding Belize's barrier reef – the Great Blue Hole remains one of the world's most distinguished scuba sites.

Scuba divers can experience ... and magnificent sea turtles. Belize's Blue Hole Divers from all over the world are drawn to the renowned Blue Hole dive site. As they descend into its deep blue ...