From cliff jumping to cave diving, get a glimpse of extreme beach activities around the world.
A surfer performs an 'off the lip' near the pier in Huntington Beach, CA.
A scuba diver gets up-close and personal with a green turtle on a coral reef off of the island of Sipadan in the Celebes Sea.
Windsurfers and kite-surfers catch waves in front of the Yaverland Cliffs near Sandown, Isle of Wight, England.
As kite-boarding's popularity takes off, a fan practices in the waves off of Lefkada Island, Greece.
A boy swims with dolphins, or rather holds on tight, during a tropical island vacation.
A kayaker paddles out to sea during the Anaconda Adventure Race at Lorne Foreshore in Lorne, Australia.
Kayakers paddle during the 11-km Bridge to Beach open-water race, which runs from Blues Point across the harbor to Manly Cove in Sydney, Australia.
A surfer gets some air (and goes horizontal) at Bondi Beach in Sydney, Australia.
A traveler prepares to parasail off the coast of Malaysia.
A dolphin gets cheeky with a bikini-clad vacationer in the tropical turquoise water.
A man rides a wave on his stand-up paddleboard at Queenscliff Beach in Sydney, Australia. Modern Stand-up paddleboarding originated in Hawaii in the 1960s so surf instructors could monitor their classes, but thanks to its cardiovascular and core-strengthening benefits, it's been increasing in popularity around the world.
There are about 10 different Santa Maria Caves on the north side of Comino Island, the small island between Gozo and Malta. Some are dead ends, but others, like this one, offer breathtaking swim-throughs for cave divers.
The Orewa Women's crew rows out through the waves during the Day of Giants Surfboat race regatta at Piha Beach on February 12, 2011, in Auckland, New Zealand.
A cliff-jumper takes the plunge at sunset in Oahu, Hawaii.