"El Capitan" Yosemite valley, California

This giant granite monolith is 100 million years old and at it's highest point stands 3,000 feet (910m) tall. It was carved by glacial action and is a favorite of rock climbers who take 4-5 days to reach the top, sleeping on cots fixed to the sheer face.

http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=el+capitan&sll=37.649034,-95.712891&sspn=

38.237497,78.837891&ie=UTF8&ll=37.716146,-119.633045&spn=0.018807,0.038495&t=h&z=15