A person may not bathe, wade, dive, scuba dive, snorkel, or swim in any waters of a State museum, except at designated areas and at the times and under the conditions posted. A person may not bathe, wade, dive, scuba dive, snorkel, or swim in any waters of a State museum, unless clothed in apparel proper to prevent indecent exposure of the person. A person may not dress or undress at a State museum except in restrooms, changing rooms, or bathhouses, or in permitted tents, campers, or camper trailers, and out of public view.