How to Spend Three Perfect Days in Yellowstone National Park
Ian D. Keating/Flickr The United States is home to more than 50 national parks, and Yellowstone National Park is a favorite for many. Established in 1872 as the world’s first national park (44 years before the National Park Service was created), Yellowstone shelters hundreds of wildlife species, including bison, moose, elk, wolves, and bears. The…