Palau has become the first country to require all tourists to sign a pledge to be issued an entry visa.

Blue Corner, Chandelier Caves, Peleliu Express, German Channel — they’re the stuff of legend, some of the most storied dive sites in all the world’s oceans (and if they’re not on your bucket list, they should be).

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

Presenting the 2017 Readers Choice Awards for the Best Caves, Caverns and Grottoes.

With the help of our readers, we've rounded up the best scuba diving destinations for encounter a healthy marine environment.

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

Presenting the 2017 readers choice awards for best macro scuba diving in Pacific and Indian oceans.

Presenting the 2017 Readers Choice Awards for the best advanced scuba diving in the Pacific and Indian Oceans.

Looking for an amazing night dive? Try muck diving in the Philippines, Indonesia, Palau and St. Vincent to see tiny creatures and get amazing underwater photos.