Topic: Space - on August 11, 2009 at 12:36:00 PM CEST
Space Observatories at Mauna Kea -World's Tallest Mountain
The peak of Hawaii's Mauna Kea is 13,796 feet (4,205 m) above mean sea level but 33,476 feet (10,203 m) above its base on the floor of the Pacific Ocean makes it the world's tallest mountain, taller than Mount Everest, which is the highest mountain above sea level.