The Border Queen Museum exhibits antiques and artifacts preserving the culture and history of the area. A restored Union Pacific caboose houses railroad artifacts. Located in the city park.
... Border Queen Museum
The Caldwell Post Office, built in the 1930s, is listed on the National Historic Register, as it displays one of the collection of murals commissioned during the Depression Era by the WPA.
The mural, "Cowboys Driving Cattle," was painted by Kenneth Evett in 1941.