A Colorado man was sentenced to jail and banned from Yellowstone National Park after officials say he walked off a designated trail and entered a protected area.

As Yellowstone National Park interpretive specialist Richard Jehle told me earlier this year, “Old Faithful is just a tiny fraction of what Yellowstone National Park is all about.” I got to see for myself this fall and now, it might just be my ...

Joseph Aita, 62, was jailed and banned from the national park after he walked off a designated path, according to authorities.

While the 63 national parks across the U.S. delight visitors with scenery and wildlife not found anywhere else, untapped nature also poses many dangers — particularly for those who wander off the official trails.