The Millie Mine Bat Viewing Site and trail system is an easy and interesting stop in Iron Mountain, Michigan. It combines local mining history, a short walking trail, scenic views, and the unusual chance to watch bats emerge from an old mine at dusk during the right time of year.
If you are looking for a place to stretch your legs on an Upper Michigan road trip or want something a little different from the usual scenic stop, Millie Mine is worth knowing about.