7 of the World's Most Epic Adult Playgrounds, Because Adults Like to Have Fun Too

Rock climbing walls alone aren’t worthy of inclusion on a list like this. But a harness-free climbing wall that towers 50 feet over a 12-foot-deep turquoise pool? That gets our attention. It's the first of its kind built stateside, at the Utah Olympic Park, in Park City. And listen, if you make it up only a few feet, we won't judge — falling into the cool water is the best part.