Harmony Historic District - Credit: Wikimedia Commons
The Harmony Historic District encompasses the first early 19th century settlement of the Harmony Society, in what is now Harmony, Butler County, Pennsylvania, USA. It covers an area two blocks wide, extending north from German Road to Conoquenessing Creek between Liberty and Wood Streets. The area retains a number of buildings dating to the original settlement period, and was designated a National Historic Landmark District in 1974. Read more on Wikipedia
Source: en.wikipedia.org