Sure, you can burn a lot of calories at the gym, butlet's face it -- a stuffy room full of treadmills and free weights isn'texactly the most exciting place to spend time. Maybe that's why so many celebslike to take their workouts to the great outdoors and tone their muscles onhiking trails, which often include scenery and sun. And you can't findthat at the gym ...
Leighton Meester gets some exercise with her hiking partner. - Brooks/INFphoto.com
Check out this photo gallery to see which stars get theirsweat on by hiking.
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