The Natural History Museum, next to the Kansas Union, features an impressive display of North American fauna and dinosaur fossils from western Kansas.
The Spencer Museum of Art is across the street from the Kansas Union. Works by Monet, Winslow Homer, Rossetti, and John Steuart Curry (Wisconsin biochemists take note!), and a large collection of Asian art.
In Topeka, the The Kansas Museum of History and the State Capitol are worth seeing. The Capitol murals by Curry are particularly noteworthy, especially the mural of John Brown.
The Konza Prairie, located about an hour west of Lawrence, adjacent to Kansas State University, in the scenic Flint Hills, is one of the largest undeveloped prairies in the world. It has 7 miles of hiking trails and herds of buffalo.