Indoor rock climbing is not a extreme sport. Outdoor rock climbing is
Momentum Indoor Climbing Gym in Sandy, Utah is the largest Indoor Climbing gym.
Some gyms offer indoor rock climbing. Some gyms don't. If you have a gym you want to be a member of call ahead and ask them or check their website. There are also gyms specifically for indoor rock climbing.
Rock climbing can be done indoor and outdoors by climbing on rocks.
Indoor rock climbing was invented as a way for professional climbers to train during the off season. It gradually has become commercialized and mainstream.
it depends on the facility that you are using if the require climbing shoes or not. i would recomend it though
Steve Lage has written: 'Building your own climbing wall' -- subject(s): Indoor rock climbing, Climbing gyms
Badminton, Rock Climbing, Bouldering, Table Tennis
There are a number of rock climbing walls available in the Colorado area. Some of the places are the Red Brick Climbing Gym in Aspen, The Spot in Boulder and The Rock Lounge in Durango. A complete list of available options in Colorado can be found on the Indoor Climbing website.
There aren't really any natural rocks but there are some indoor climbing gyms. Here's a link of some of the climbing gyms in Florida. http://www.indoorclimbing.com/florida.html
Most towns and cities have an company that is solely dedicated to indoor rock climbing. If one lives in a smaller town where this is not available, they can check with their local gyms as many have a wall dedicated to rock climbing.