Wednesday, April 13, 2016

USA, Wyoming: The Hydrothermal Wonders of Yellowstone Explained

Go Inside Yellowstone's Supervolcano (National Geographic)

Explore the hydrothermal wonders that have awed visitors since the first expeditions to Yellowstone in the late 19th century.

The May 2016 issue of  National Geographic magazine is devoted entirely to America's first national park.