Linn County Iowa (Vacant / Not In Use) has 2 places on the National Register of Historic Places.
Some of the country's most noteable architects helped create the Linn County places including Cunningham & Margaret Torrance. Prominent architectural styles found in Linn Country are .
Burlington, Cedar Rapids, and Minnesota Railroad: Walker Station
(added 1978 - #78001242)
Also known as Walker Station;Rock Island Depot
Between Rowley and Washington Sts. , https://npgallery.nps.gov/AssetDetail/NRIS/78001242