Step 1 : Introduction to the question " We got curious about the origins of adventure sports and found that rock-climbing as a sport didn't come along until the 1800s. One of the U.S. sites that put it on the map was in _______. "
...1. Boysen State Park, Wyoming 2. Canyonlands National Park, Utah 3. Yosemite National Park, California 4. Great Sand Dunes National Park, Colorado