Mason County Illinois (Vacant / Not In Use) has 1 places on the National Register of Historic Places.
Some of the country's most noteable architects helped create the Mason County places including F.W. Raider and Guido Jaeger. Prominent architectural styles found in Mason Country are .
Havana Water Tower
(added 1993 - #93000325)
Also known as Old Havana Water Tower
Jct. of Pearl and Main Sts., NE corner , https://npgallery.nps.gov/AssetDetail/NRIS/93000325