Our Top 100 Gold List: Readers vote for their favorite dive resorts, operators, liveaboards and more. Results were determined by popular vote.

Gulen Dive Resort and ScubaPixel invite nudibranch lovers, divers and underwater photographers to join the annual Nudibranch Safari in March 2015. During the Nudibranch Safari the participants will learn more about nudibranch identification, biology, behavior, food habits, reproduction and other aspects of nudibranch life – including how to photograph them under water.

In this epic freediving video, Matthias Misof and his friends take us on their one-breath adventures alongside turtles, manta rays, huge schools of fish and amazing coral heads.

How do use Florida's reefs? Take the Southeast Florida Coral Reef Initiative's survey.

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.

Here are the winners of the world's best and healthiest marine environments in our Top 100 Readers Choice Awards.

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

With several local tour companies and 90 percent of whales migrating, the scenic beaches of Los Cabos makes it the perfect destination for whale watching.

Announcing the winners of our 2015 Top 100 Readers Choice Awards! For the 22nd year in a row, our readers voted on their favorite dive destinations across the world — from North America to the Pacific and Indian oceans to the Caribbean and Atlantic. See which dives made the list for Best Beginner Diving.