More than 10,000 North Pacific humpback whales migrate from southeastern Alaska to the warm waters of the Aloha State each year to mate, give birth and nurture their calves.

Underwater videographer Becky Schott comes face-to-face with great white sharks in South Australia.

The SS *President Coolidge* was a luxury liner that became a gigantic scuba divers’ playground after it struck a mine and sank off Vanuatu during World War II.

Four Seasons Resorts Maldives

Scuba diving with whale sharks is a bucket-list item for many divers, and in some places irresponsible whale shark watching is on the rise.

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The NOAA ship *Oscar Elton Sette* is on a 24-day research expedition to monitor, study and help the endangered species.

This Australian steamship disappeared for decades only to be rediscovered as a shipwreck worthy of any scuba diver's bucket list.

The UNESCO world heritage list comprises more than 1,000 spots — and these 13 are diveable.