The new map shows where volcanic ash would fall in the event of a Yellowstone supereruption, with the supervolcano's last ...

Brush up on your knowledge of Yellowstone's geography with this interactive version of National Geographic's Trails Illustrated map Yellowstone National Park MapPlanning a Yellowstone trip?

The Norris Geyser Basin is Yellowstone's hottest and oldest geothermal region. Geysers worth checking out in this part of the park include Steamboat Geyser (the world's tallest active geyser ...