Parmenter Hall with its distinguishing tower, is the first building actually built on the Baker University campus and is listed on the National Register of Historic Places . The cornerstone was laid in June, 1866, but lack of financing delayed completion until 1881
Located at the Old Castle Complex is the Palmyra Post Office and Blood's Grocery which opened in 1857. Originally located north of the highway on the Santa Fe Trail, it served travelers on the trail and the pioneer community of Palmyra, the original townsite later to become Baldwin City.
The 3-story native sandstone Castle was the first home of Baker University, Kansas' oldest 4-year college. Listed on the National Register of Historic Places , it was built in 1857 and 1858, at a cost of $3,200 and includes native wood - mostly walnut - woodwork. It provided a "