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

the National Park Service has managed millions of acres solely for the "enjoyment, education and inspiration of this and future generations." Today, 63 designated national parks in the United ...

Sovereign states typically designate their own national parks and are responsible for their general upkeep. Depending on the country and park, visitors from the general public may be charged an ...