Yellowstone became the first national park in the U.S. on March 1, 1872, and it helped usher in the broader national park movement. The park stretches into Wyoming, Montana, and Idaho.

Samantha Dehring, 25, has pleaded guilty to willfully remaining, approaching and photographing wildlife within 100 yards. She also received a one-year ban from the national park.

A 52-year-old man pled guilty to causing at least $1,000 worth of damage in Yellowstone National Park in search of the Forrest Fenn treasure.