Monjeau Lookout - Credit: Wikimedia Commons
Monjeau Lookout was completed in 1940 by the Civilian Conservation Corps to serve as a fire lookout tower within Lincoln National Forest, New Mexico, United States, and remains in active use as a destination for forest visitors. The structure is a native stone tower which contains living quarters, and is topped with a metal-frame cab. Read more on Wikipedia
Source: en.wikipedia.org