US Post Office--Thermopolis Main - Credit: Wikimedia Commons
The Thermopolis Main Post Office in Thermopolis, Wyoming was built as part of a facilities improvement program by the United States Post Office Department. The post office in Thermopolis was nominated to the National Register of Historic Places as part of a thematic study comprising twelve Wyoming post offices built to standardized USPO plans in the early twentieth century. Read more on Wikipedia
Source: en.wikipedia.org