National Register Listing

Langworthy House

a.k.a. Octagon House

1095 W. 3rd St., Dubuque, IA
Local significance of the building:
Exploration/settlement; Architecture

Listed in National Register of Historic Places in 1975.
About National Register Listings

The National Register of Historic Places is the official list of the Nation’s historic places worthy of preservation. Authorized by the National Historic Preservation Act of 1966, the National Park Service’s National Register of Historic Places is part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect America’s historic and archeological resources.

During World War II, Iowa was home to several prisoner of war camps, where German soldiers were held captive. The largest of these camps was located in Algona, Iowa, and housed more than 10,000 prisoners at its peak.