What drives people to risk their lives to climb? Why dedicate your life to the pursuit of gravity? Head to Yosemite to find out on Sat Apr. 25 8/7c on Discovery!\r<br>\r<br>VALLEY UPRISING explores the stories of those who pushed the limits of whats possible at Yosemite Valley, California, going beyond the risk and commitment .\r<br>\r<br>\r<br>\r<br>Catch VALLEY UPRISING Sat Apr 25 8/7c on Discovery. | Lanky, clean-cut and a bit of a square, when young Alex Honnold arrived at Yosemite he seemed a .\r<br>\r<br>Get to know Lynn Hill – member of the legendary Stonemasters and a true rock climbing legend. | .
