U.S. Post Office and Courthouse - Credit: Wikimedia Commons
The U.S. Post Office and Courthouse in Devils Lake, North Dakota, was built in 1908. It was designed by James Knox Taylor and includes Classical Revival architecture. Also known as Devils Lake Post Office and as the Federal Building, it served historically as a courthouse and as a post office. The building was listed on the National Register of Historic Places in 1978. Read more on Wikipedia
Source: en.wikipedia.org