Why she's a top adventurer: Shelby has spent the better part her life living underwater as a scuba instructor exploring everything from ancient shipwrecks deep beneath frigid oceans, to the tangles of eery kelp forests, mining for gold inside looming ice caves on the bottom of the Arctic Sea to studying the watery graves of ancient Moai ruins on Easter Island, and even plunging into the blue with the Great White Sharks of Guadalupe. (openworldmag.com)
His four - week survey of the waters around Crete last October is part of a long - term effort to catalogue large numbers of ancient shipwrecks in the Aegean Sea. (scientificamerican.com)
Divers can explore ancient shipwrecks and underground caverns, and photographers will love the clarity of the images they can snap in the crystal - clear Caribbean. (travelandleisure.com)