Sound of the Natural State was created in 1909.
Azalea State Natural Reserve was created in 1943.
Natural Bridges State Beach was created in 1933.
Volo Bog State Natural Area was created in 1970.
Hill Country State Natural Area was created in 1984.
Cache River State Natural Area was created in 1970.
Kangaroo Lake State Natural Area was created in 2002.
Armstrong Redwoods State Natural Reserve was created in 1934.
Occoneechee Mountain State Natural Area was created in 1997.
Spitler Woods State Natural Area was created in 1937.
Natural Bridge State Resort Park was created in 1925.
Connecticut State Museum of Natural History was created in 1988.
Mount Jefferson State Natural Area was created in 1956.