Shutterstock Image Yellowstone tourists got more than they bargained for the other day when a group of bison charge at them.

When a bison stampede overtakes a bridge at Yellowstone National Park, it's best to get out of the way of the thundering ...

As people gathered on a road in Yellowstone to watch a pack of wolves devour a bison, the buffalo’s herd charged into them ...

Hanging out near these warm spots helps them save energy and stay toasty. Trudging along side the Bison, the video shows other animals like such as mountain goats, big horned sheep, bobcats ...