These beautiful national parks are free to enter every day of the year. Wondering if they're good ones? Trust us—they're ...

You can also have a national-park experience for free another way, by visiting one of the 20 national parks that don’t charge an entrance fee ever. Come and go as you please without dropping a dime.

This year, in addition to Jan. 20, there are five days on which all National Park Service sites that charge an entrance fee ...

I recommend going before the crack of dawn, because these free days are popular and you’ll find lots of people on the most ...