Mammoth Hot Springs in northern Yellowstone National Park sits on the border of Wyoming and Montana. It is a place you have to see to believe. Boardwalk trails give visitors the opportunity to ...

Catherine Parker Sitting just south of the park's north entrance in Gardiner, Montana, Mammoth Hot Springs is one of the park's more unique attractions. One of its most striking geological ...

Montana's North and Northeast entrances lead directly into the Mammoth Hot Springs and Tower-Roosevelt areas. From Wyoming, West Thumb, Grant and the South and Fishing Bridge, Lake Village and ...

On the site of old Fort Yellowstone, near the steaming travertine terraces of Mammoth Hot Springs, 5 miles south of the north entrance to the park, this old-fashioned hotel of solid pillars and ...