Zion National Park is home to some of the most breathtaking natural beauty on the planet. No one who enters those limestone canyons, slowly carved by the pale Virgin River, leaves without feeling a sense of transformation and discovery. In the spring of 2008, Jenna Curtis traveled through Zion National Park with a group of 11 college students from The George Washington University. Her book, "Spirit Walk", combines gorgeous photography with poetic journalism to capture the true spirit of Zion - one of amazement, majesty, and danger..