Half Dome is framed by trees Yosemite National Park in California November 23, 2008. Half Dome is perhaps the most recognized symbol of Yosemite. Rising nearly 5,000 feet above the Valley floor, it is one of the most sought-after landmarks in Yosemite. Some people even hike or rock climb to the top! Half Dome can be seen throughout eastern Yosemite Valley and from Glacier Point.(Photo Copyright Alan Greth)