![A portion of what some call "the oldest building in the world" in Lamar, the county seat of Prowers County, Colorado | Library of Congress A portion of what some call "the oldest building in the world" in Lamar, the county seat of Prowers County, Colorado | Library of Congress](http://tile.loc.gov/image-services/iiif/service:pnp:highsm:32200:32204/full/pct:25/0/default.jpg)
A portion of what some call "the oldest building in the world" in Lamar, the county seat of Prowers County, Colorado | Library of Congress
![A portion of what some call "the oldest building in the world" in Lamar, the county seat of Prowers County, Colorado | Library of Congress A portion of what some call "the oldest building in the world" in Lamar, the county seat of Prowers County, Colorado | Library of Congress](http://tile.loc.gov/image-services/iiif/service:pnp:highsm:32100:32199/full/pct:25/0/default.jpg)
A portion of what some call "the oldest building in the world" in Lamar, the county seat of Prowers County, Colorado | Library of Congress
![Lamar, Colorado (CO 81052) profile: population, maps, real estate, averages, homes, statistics, relocation, travel, jobs, hospitals, schools, crime, moving, houses, news, sex offenders Lamar, Colorado (CO 81052) profile: population, maps, real estate, averages, homes, statistics, relocation, travel, jobs, hospitals, schools, crime, moving, houses, news, sex offenders](https://pics2.city-data.com/city/maps/fr3956.png)