Theodore Roosevelt National Park is in western North Dakota.

I'm not sure about state parks, but national parks include Theodore Roosevelt National Park, Theodore Roosevelt Island National Park, Theodore Roosevelt Inauguration National Historic Site, and Theodore Roosevelt Birthplace National Historic Site.

Theodore Roosevelt National Memorial Park was established April 25, 1947.

The park's designation changed to Theodore Roosevelt National Park on November 10, 1978.

Old faithful is located in Yellowstone National park, the us national park system was started by Theodore Roosevelt.

North Dakota