Douglas County Kansas (Historic Districts) has 23 places on the National Register of Historic Places including 3 places of National significance and 1 place of Statewide significance. Significant places include Haskell Institute, Oregon-California Trail Segments (Additional Documentation), Willow Springs Santa Fe Trail Segment and DAR Marker and Old West Lawrence Historic District and Anderson, Knud, Farmstead.
Some of the country's most noteable architects helped create the Douglas County places including Charles E. Sutton, Cobb & Froutt, Victor Johnson, J.G. Haskell, Overton and Leigh and William Alexander Griffith. Prominent architectural styles found in Douglas Country are Late Victorian, Late 19th And 20th Century Revivals and Bungalow/Craftsman.