Coral-covered underwater walls are some of the coolest dive sites, and are filled with sea creatures big and small. Here are 15 best in the world to go dive!

The world's best diving, chosen by you! From the Caribbean and Atlantic to North America to the Pacific and Indian Oceans, here are the top-rated dive sites.

The best places to swim with whale sharks, from Belize to Tanzania.

The Honduras Caribbean islands of Roatan and Utila deliver underwater thrills that captivate even the most discerning divers.

Year after year, these islands win honors in our annual Top 100 Awards, including best beginner, macro and cave diving.

How will your kids be spending their summer vacation? The Whale Shark and Oceanic Research Center at Utila Lodge is offering a marine conservation program for parents, grandparents and children in June and July 2015 that hopes to teach kids about preserving the environment.

Participants who attend the annual coral spawning event will learn about coral reef ecology and conservation through a series of interactive lectures and workshops run by marine biologists.

Embark on whale shark snorkel trips at the WSORC program, where where you will have the opportunity to help researchers collect valuable data on this enigmatic gentle giant.

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!