The Octagon House, also known as May's Folly, is a historic octagon house at 527 1st Avenue in Columbus, Georgia. Built about 1830 and enlarged in 1863, it is claimed by the local historical society to be the nation's only known example of a double-octagon house. It was declared a National Historic Landmark in 1973.
St. Anthony's Catholic Church is a historic Roman Catholic church in Padua, an unincorporated community in Washington Township, Mercer County, Ohio, United States. Built in the late nineteenth century, it remains the home of a functioning congregation, and it has been recognized as a historically significant building because of its architecture.
Holy Family Catholic Church is a historic Roman Catholic church in Wayne Township, Darke County, Ohio, United States. Located in the unincorporated community of Frenchtown, it houses an active congregation, and it has been accorded historic site status because of its well-preserved Gothic Revival architecture.
St. Remy's Catholic Church is a historic Roman Catholic church in Russia, Ohio, United States. Built in 1890, it continues to house an active parish, and it has been recognized as a historic site because of its architecture.
Holy Rosary Catholic Church is a Roman Catholic parish on the east side of St. Marys, Ohio, United States. Established in 1852, the church has been recognized for its historic 1860s church building, which was demolished amid a period of growth in the 1970s and replaced with a modernist structure.
St. Michael's Catholic Church is a historic Catholic church in Mechanicsburg, a village in Champaign County, Ohio, United States. Completed in the 1880s, it served a group of Catholics who had already been meeting together for nearly thirty years. One of several historic churches in the village, it has been designated a historic site because of its well-preserved nineteenth-century architecture.
St. Louis Catholic Church is a historic Roman Catholic church in North Star, Ohio, United States. Constructed in the early twentieth century, it is one of the newest churches in a heavily Catholic region of far western Ohio, but it has been recognized as a historic site because of its unique architecture.
The Nativity of the Blessed Virgin Mary Catholic Church is a Catholic church in Cassella, an unincorporated community in Mercer County, Ohio, United States. One of several Catholic churches in Marion Township, it was designated a historic site because of its well-preserved 19th-century architecture.
St. Rose's Catholic Church is a historic Catholic church in St. Rose, an unincorporated community in Marion Township, Mercer County, Ohio, United States.
Broad Street Methodist Episcopal Church South in Columbus, Georgia is a historic church built in 1873. It is one of the oldest buildings on Broadway and is as the only Greek Revival church building surviving in Columbus. It has pilasters with corbelled brick capitals.
The First African Baptist Church Parsonage in Columbus, Georgia is a historic church parsonage at 911 5th Avenue. It is a one-story Victorian cottage with Eastlake trim that was built in 1915–16. It was added to the National Register of Historic Places in 1980.
First Presbyterian Church is a historic church at 1100 1st Avenue in Columbus, Georgia. The church is affiliated with the PCUSA. Its building was added to the National Register of Historic Places in 1980.
Henry Asbury House is a historic house located at 211 East Waters Street in Clarkesville, Habersham County, Georgia.
The George O. Berry House in Columbus, Georgia was built around 1896. Also known as the Charles M. Evert Law Office, it was listed on the National Register of Historic Places in 1980.
The Walter Hurt Cargill House, in Columbus, Georgia, is a Georgian Revival-style house built in about 1918. It was listed on the National Register of Historic Places in 1980.
The Building at 1617 Third Avenue in Columbus, Georgia was listed on the National Register of Historic Places in 1980.
The Building at 1619 Third Avenue in Columbus, Georgia is a Victorian shotgun cottage built around 1889 which was listed on the National Register of Historic Places in 1980.
The Building at 1519 3rd Avenue in Columbus, Georgia was built c.1908-10. It was listed on the National Register of Historic Places in 1980.
The Thomas U. Butts House, at 1214 3rd Ave. in Columbus, Georgia, was built in 1896 and was extensively renovated into Prairie School style in 1928. It was listed on the National Register of Historic Places in 1980.
The Lion House, also known as the Hoxey–Cargill House, is a historic building in Columbus, Georgia. The building, located in the High Uptown Historic District, was built in the 1840s and was added to the National Register of Historic Places in 1972.
United States 
