For more than 20 years, Georgienne Bradley has been the motivating force behind countless initiatives to protect the world’s oceans through marine conservation.

Presenting the 2017 Readers Choice Awards for the best destinations to go scuba diving with big animals in the Pacific and Indian oceans.

It’s a tropical eastern Pacific island so remote, it seems untouched by time and man, offering underwater thrills unmatched in this hemisphere.

At night, the wondrous creatures that hide during the day come alive from sharks and octopuses to ghostly glowing plankton.

Where can you dive wish sharks? What about dolphins and sea lions? Here are the best destinations in the world for big-animal encounters, voted by you!

Costa Rica

Ready to get hammered? Then get your scuba gear and head to the eastern Pacific: Galapagos, Cocos, Malpelo — or all three!

“Eat, sleep, dive,” that’s the Aggressor Fleet and Dancer Fleet motto. Whether you’re a creature of routine or checking off your bucket list, live-aboard diving offers definite perks (beyond the bragging rights, of course)

It's always a thrill to dive with large schools of fish. Check out Judy G's gallery of schooling fish from Mexico, Thailand, Fiji, Costa Rica and Indonesia.