BYO (1/0)

James C. Veen Observatory
The JAMES C. VEEN OBSERVATORY, located south of Lowell, Michigan is owned and operated by the Grand Rapids Amateur Astronomical Association. It was built entirely by the members over a five-year span in the late 1960's, and became fully operational in 1970. The building consists of 2 Ash Domes
http://www.graaa.org/veen.html - Details

Owl Observatory
The observatory is located on the grounds of the Kalamazoo Nature Center, which is recognized as one of the nation's best nature centers. Since 1960, the Nature Center has been inspiring people to care about the environment by providing experiences that lead them to understand their connection to the natural world
http://www.kasonline.org/owl.html - Details