Thayer House - Credit: Wikimedia Commons
The Thayer House at 109 Jefferson St. in Thompson Falls in Sanders County, Montana was home of Arthur W. Thayer, a mining entrepreneur and editor of the Sanders County Ledger. The stone house, built in 1907, was described as "The most portentious residence in Thompson" by the Ledger. It is "French southern Colonial" in style and was listed on the National Register of Historic Places in 1986. Read more on Wikipedia
Source: en.wikipedia.org