Yes, it's a big rock, but what makes El Capitan a must-witness sight in Yosemite is the fact that it's the largest exposed-granite monolith in the world. Oh, and people climb it. Rising 3,593 feet (1095 meters)—more than 350 stories—above the Valley, El Capitan was once considered impossible to climb. However, since Warren Harding first conquered the "nose" in 1958, El Capitan has become the standard for big-wall climbing.
Take binoculars to spot the little bits of color that pinpoint adventurous climbers tackling the smooth and nearly vertical cliff.