Mysterious Great Blue Hole
Off the coast of Belize lies a massive underwater sinkhole. Welcome to the Great Blue Hole.
The Kilauea volcano is only one of 169 active volcanoes in the USA
The extraordinary Salt Pans of Maras
General Sherman: the largest living organism in the world
The Horsetail fall attracts thousands of visitors each year
3 amazing landscapes in the western United States
Rainbow-colored mountains in China, a unique geological phenomena