Garrotxa Volcanic Zone Natural Park was created in 1982.
The area of Garrotxa Volcanic Zone Natural Park is 153.09 square kilometers.
Undara Volcanic National Park was created in 1993.
Lassen Volcanic National Park was created on 1916-08-09.
The volcanic features in the park are natural geologic features, the park itself is a human concept and contains certain man made objects constructed to help visitors see and appreciate the natural geologic features that the park was created to both protect and exhibit.
Metropolitan Natural Park was created in 1988.
Redes Natural Park was created in 1996.
Makira Natural Park was created in 2007.
Somiedo Natural Park was created in 1988.
Vânători-Neamţ Natural Park was created in 2003.
Brière Regional Natural Park was created in 1970.
Vercors Regional Natural Park was created in 1970.
Peñalara Natural Park was created on 1990-06-15.