photo by dan turner
Until about 20 years ago, this man-made cave was a tunnel for trains. Now the 520-foot rock passageway lives on as a favorite destination on one of Minnesota’s top hiking trails.
Recognize this spot? If so, fill out our form at mnmo.com/whereinmn to tell us where it is and share your connection to it. We’ll feature our favorite responses in an upcoming issue and send the winner a mnmo prize package.