Entrance to the Swiss National Park is free. Admission to the exhibits at the visitor center cost 9 Swiss francs (about $10) for adults, while children explore for 5 Swiss francs (roughly $5.50).

The National Park Service is offering free entrance to national parks on select days. According to a community announcement, this initiative allows visitors to explore more than 400 national parks ...

This year, in addition to Jan. 20, there are five days on which all National Park Service sites that charge an entrance fee will offer free admission to everyone. Note that other fees ...