Oklahoma National Guard Museum free admission

This is free. When: Tuesday–Saturday 10 a.m.–5 p.m.; Sunday 1–5 p.m. Where: NE Grand Boulevard, Oklahoma City.

Oklahoma National Guard Museum · Offer

Admission is free, with a donation box. Hours are Tuesday through Saturday, 10 a.m. to 5 p.m., and Sunday 1 to 5 p.m.