Yellowstone National Park is best seen in person, but if you can't make it this year, these 360-degree videos are the next best thing.
As featured on
National parks in the U.S. will sharply drop the number of days they allow visitors to get in for free. The National Park Service announced Tuesday that it will have four no-cost days next year. It waived entrance fees for 16 days in 2016 and 10 days in 2017. It comes after the agency proposed raising the cost to visit 17 busy parks mainly in the West to raise money for maintenance.