A ferry ride from Cozumel brings us here to the gates of Xibalba, the Maya underworld. We're lured by the cenotes of Riviera Maya, a vast subterranean river system hidden underneath the Yucatan jungle.
A mini dive guide to this island's less crowded mid-coast region.
On the Netherland Antilles island of Curacao, twice-annual coral spawning events have begun to attract divers who want to experience one.
Historically, sharks left the area when scuba divers entered the water. The bubbles from the regulators scare them off. Since shark dives started in the Bahamas many of the sharks have lost their fear of these bubbles.









