For her 63 Parks column, she visited every U.S. national park. To come up with a list of ... a 4.8-mile meander (see the Gaia GPS map of this route below). Before the sun sets, make your way ...

To celebrate the 100th anniversary, postdoctoral researcher at the University of Pennsylvania Randal Oslon has computed the most efficient road trip to visit every one of the 47 national parks in ...

In the United States, a national park is an area of isolated land protected by the government in order to foster conservation and outdoor activities as well as emphasize national pride.

While most national parks require visitors to pay an entry fee — some of the most popular parks charge up to $35 for each ...