Arizona has a host of natural wonders that are perfect for some hiking or climbing. But for especially challenging mountains or structures, you would probably want a lot of specialized equipment to make absolutely sure you can handle it.
Tommy Caldwell does a very different kind of climbing, and he’s done it since he was a little kid learning from his dad. He’s become a legend in the realm of big wall climbing.
Caldwell writes about some of his experiences and the challenges in his book, "The Push: A Climber’s Search for the Path ."