7 impressive outdoor gyms from around the world

You won't find air conditioning or piped-in music here, just a vigorous workout.

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Muscle Beach Gym, Venice Beach, California

One of the most popular outdoor gyms in the world, the Muscle Beach Gym is a favorite haunt for locals, tourists and celebrities – with greats like Arnold Schwarzenegger, Kirk Douglas, Clark Gable and Jayne Mansfield having all worked out there. The space not only plays host to a huge number of fitness and weightlifting machines, but also gymnastics, rope climbing and acrobatic bars. While it's not free, an annual pass will only set you back $170.

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