The Charles Q. Clapp House is a historic house at 97 Spring Street in central Portland, Maine. Built in 1832, it is one of Maine's important early examples of high style Greek Revival architecture. Pr
Front of the Charles Q. Clapp House, HABS photo, 1965
The National Register of Historic Places is the United States federal government's official list of sites, buildings, structures, districts, and objects deemed worthy of preservation for their histori
Old Slater Mill, a historic district in Pawtucket, Rhode Island, the first property listed in the National Register, on November 13, 1966
S. R. Crown Hall in Chicago, listed under criteria B and C for its association with architect Ludwig Mies van der Rohe and its modernist design
Round barns in Illinois, a multiple property submission to NRHP that includes 18 structures throughout Illinois
A typical black-and-bronze plaque found on properties listed in the NRHP, reading "This Property Has Been Placed on the National Register of Historic Places by the United States Department of the Interior".