An insider's guide to 12 great scuba destinations.

Experience the beauty of Palau's underwater world through the lens of photographer Judy G!

Palau is the latest of the Pacific island nations to seize and destroy poachers' ships.

Aboard Palau Siren, a yacht that visits the Palau archipelago, you'll see hundreds of sharks, tuna, corals and other marine life on a first-class adventure.

Palau

In this moving documentary film sponsored by GoPro, researchers with the Scripps Institute of Oceanography-UCSD and The University of Delaware utilize the latest technology to search for downed aircraft in the South Pacific region of Palau. After first consulting with a local Palau resident that witnessed a crash - and then using sonar to map a specific area - an exciting discovery is made that brings closure to one man's family and the search for a hero's remains.

The results of our Top 100 Readers Choice Awards are in! You voted on the world's best destinations for cave diving, and here are the winners!

Destinations highlighted this year in Scuba Diving's Top 100 Spotlight include: Raja Ampat, Bahamas, Maui, Palau and Grand Cayman.

Many of the world's hottest shark scuba diving spots also offer can't-miss topside thrills to keep your heart rate up between dives.