The incredible moment divers risked their fingers to hand-feed hammerhead and tiger sharks in Bimini in the Bahamas. Underwater photographer, Ken Keifer, captured the encounter on film.
Whether you're looking to lounge on the beach to try something more adventurous like diving with whale sharks, here are some can't-miss activities for your Cancun itinerary.
The Curtiss C-46 Commando - the largest twin-engine aircraft in the world at the time and able to move large quantities of goods - overshot the runway before settling on the sea bed.