The twenty acre John Brown Memorial Park is a National Historic Site donated to the State of Kansas by the Womens Relief Corps to preserve the site of the Battle of Osawatomie, August 30, 1856... John Brown Memorial Park
The Pottawatomie Creek Bridge which spans Pottawatomie Creek at Sixth Street is one of two Marsh Arch triple span bridges located at Osawatomie. The other spans the Marias de Cygnes River at Eighth Street, and both are listed on the National Register of Historic Places.
Exhibits include The Railroad, Oswatomie State Hospital, pre-Civil War, Rural Culture, and the Social History of Osawatomie.
Special rotating exhibits present Black History Month in February, Women's History Month in March; April, Art; May, Alumni; June, John Brown; August, Founders Day;