Bridges, piers and oil platforms are prime real estate for attracting marine life, from tiny critters to oceangoing giants. Here are some of the world's best.

Thinking about diving in Indonesia? Want to see more fish, nudibranchs and other weird creatures than ever? Then read about underwater photographer Judy G's experience on the Wallace Line! Want more underwater pictures? Go to scubadiving.com.

Are you ready for your next — or first — big-animal encounter? Do you dream of scuba diving with sharks, manta rays, sea lions and dolphins?

An east Lombok, Indonesia, fish market — Tanjung Luar — is a butcher shop for sharks and mantas — what can be done? Conservationists are working hard to shine a light on the illegal fishery here and recently had reason to celebrate — Indonesia announced that it is creating a sanctuary for manta rays, banning fishing for these animals within the country’s exclusive economic zone.

Lovely ships, spectacular dives, and friendly crews await you on Siren Fleet Luxury Liveaboards

For many divers, the Liberty is a main attraction of Bali diving, and for good reason. The wreck is home to a staggering array of marine life.

From the Andaman Sea to the Coral Sea, this region offers unspoiled reefs, big animals, thrilling drifts, World War II wrecks and unparalleled macro life.

Threatened species now have greater protection from fishing in the Coral Triangle.

Starkly beautiful islands, dragons, volcanoes, azure waters, luscious reefs, and a huge and healthy biodiversity of underwater critters make diving the Komodo area of Indonesia a truly unforgettable experience. The photos of underwater photographer Judy G showcases the region.