Lamar County Texas (Vacant / Not In Use)  has 4 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Mackin, A. C., Archeological Site, First Church of Christ, Scientist, Gregory Vinegar Works, Wise--Fielding House and Carriage House. 
Prehistoric cultural affiliation(s) include Caddoan and  Gibson Aspect dating back to 500. Prominent architectural styles found in Lamar Country are Classical Revival and  Queen Anne.