Indiana Code Title 14. Natural and Cultural Resources § 14-18-10-1

(1) a state park;

(2) a state forest;

(3) a state game preserve;

(4) land acquired by the state and set aside for use by the public as a scenic or historic place;  or

(5) that part of a public highway right-of-way that passes through a state park, a state forest, a state game preserve, or land acquired by the state and set aside for use by the public as a scenic or historic place;