On Friday afternoon, the historic mansion posted a photograph of a silver monolith on their Facebook page.
Glensheen Mansion, Duluth, Minnesota, United States
769 total views
0 views today
Dates & Classification
Questionable monoliths, not confirmed to be knockoffs but likely considering the origin or appearance of the monolith.
Number of Sides
Three Sided (Typical Monolith Design)
Articles & Media