
Ziplining -- flying from tree to tree on a wire -- gives you a bird's-eye view of animals in treetops and the ground below.
Nose-to-nose with a shark, you wave at the crowd on the far side of the glass. Did you know you can go aquarium scuba diving - and snorkeling - with fish at many aquariums in the U.S.? - Photo: George Widman for Adventure Aquarium
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