Oldest documented mosasaur skull in the world; 15 foot Xiphactinus Audax; over 10,000 shark teeth; thousands of fossils & unique fossil folk art; sod house; replica Union Pacific depot; creamery; general store; military memorabilia; hundreds of historical photos. Gift shop. See the Military Memorial Garden of Honor in the park behind the museum. Drive south 25 miles and see the Monument Rocks, a limestone formation designated one of the 8 Wonders of Kansas