We explored the Calumet Radar Base. Warning: This is dangerous property and trespassers may be prosecuted. Base includes many abandoned buildings and a ghost town. The Calumet Air Force Station, a hidden gem in the Keweenaw Peninsula of Michigan, is located on top of Mount Horace Greeley, in Keweenaw County, near another nearly ghost mining town of Phoenix. Update: see our drone video:    • Abandoned Cold War Air Force Base by ...