In January 2015, American rock climbers Tommy Caldwell and Kevin Jorgeson captivated the world with their effort to climb the Dawn Wall, a seemingly impossible 3,000-foot-high rock face in Yosemite National Park.
The pair lived on the sheer vertical cliff for weeks, igniting a frenzy of global media attention. But for Caldwell, the Dawn Wall was much more than just a climb.
The Denver Museum of Nature and Science has the Extreme Sports: Beyond Human Limits that's there for a limited time. The cost is included with general admission.AlertMe