Longhorn Cavern State Park was created in 1932.
The area of Longhorn Cavern State Park is 2,612,731.443429888 square meters.
The Longhorn Caverns in Texas are estimated to be around 450 million years old. However, they were officially opened to the public as a state park in 1932.
State Forest State Park was created in 1970.
Snow Canyon State Park was created in 1958.
Carlsbad Caverns National Park is located in the Guadalupe Mountains of southeastern New Mexico.
Lake Wappapello State Park was created in 1956.
Aztalan State Park was created in 1947.
Sizerville State Park was created in 1924.
Penwood State Park was created in 1944.
Peninsula State Park was created in 1909.
Pattison State Park was created in 1920.
Mears State Park was created in 1923.