If you are looking for state parks, you can find them here at these sites. 

 

Alabama	Alaska
Arizona	Arkansas
California	Colorado
Connecticut	Delaware
Florida	Georgia
Hawaii	Idaho
Illinois	Indiana
Iowa	Kansas
Kentucky	Louisiana
Maine	Maryland
Massachusetts	Michigan
Minnesota	Mississippi
Missouri	Montana
Nebraska	Nevada
New Hampshire	New Jersey
New Mexico	New York
North Carolina	North Dakota
Ohio	Oklahoma
Oregon	Pennsylvania
Rhode Island	South Carolina
South Dakota	Tennesee
Texas	Utah
Vermont	Virginia
Washington	West Virginia
Wisconsin	Wyoming