Putnam County Missouri has 1 places on the National Register of Historic Places.
Some of the country's most noteable architects helped create the Putnam County places including W.C. Francis. Prominent architectural styles found in Putnam Country are Colonial Revival and Italianate.
Unionville Square Historic District
(added 2002 - - #02000793)
Roughly along portions of Main, Grant., 16th and 17th Sts. , Unionville