Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...
Yellowstone ... Mud Volcano Trail is a .8-mile trail with a 100-foot elevation gain. The Junior Ranger Program is the go-to ...
The first reports of Yellowstone, in the early 1800s, described a place in the northwest corner of the Wyoming Territory where mud boiled ... Yellowstone Park, the first national park in the ...