Nicolas Janis House - Credit: Wikimedia Commons
The Nicolas Janis House, also known as the Green Tree Tavern or Greentree Tavern or as the Janis-Ziegler House, is a poteaux-sur-sol French colonial style house that was built circa 1790-1791 in Ste. Genevieve, Missouri. It is the oldest verified house in Missouri by dendrochronology. The house is listed in the National Register of Historic Places as a part of the Ste. Genevieve Historic District. and It is a component of the Ste. Genevieve National Historical Park, a unit of the National Park Service. Read more on Wikipedia
Source: en.wikipedia.org