The Indiana Air Museum in Valparaiso, Indiana has a Corsair F4U-5N with a jump seat. They offer rides. They also have a P-51, AT-6, T34, T28, PT-17 and a L-2. They are located at the Porter County Airport near US 30 and State road 49, in northwest Indiana, about 45 miles from Chicago.
http://www.in-am.org/