Top 10 Adventure Vacations

Go deep under the sea, and explore the world's largest reef system on a scuba trip to Australia's Great Barrier Reef.

Super-advanced ski and board hounds head to Alaska for heli-skiing, the planet's most extreme winter-sports experience.

Climb aboard a camel caravan for a trek across the expansive Sahara Desert.

Set off on a hiking expedition to the top of Nepal's beautiful mountains at Mt. Everest or Ama Dablam.

Go for an extreme adrenaline rush as you fly through the air on a canyon-jumping adventure.

Be on the lookout for the big 5 on an African safari ' lions, leopards, rhinos, elephants and cape buffalos.

There are many ways to experience the Grand Canyon's beauty, but a wild white-water rafting venture is the most extreme.

A place of wonder, mystery and legend, Mount Everest beckons climbers from all over the world.

Attempting to outrun an angry, half-ton bull with sharp horns is high on our list of exhilarating adventures.

Scaling rocks high above a churning sea is the ultimate rock-climbing adventure.