About 45 minutes south of Rochester, Minnesota is Forestville/Mystery Cave State Park in Preston. At this state park, there's an underground river that you can even explore on a tour.
Magnet fishing is a hobby that I had never heard of before until I happened across a TikTok page that was dedicated to the mysterious outdoor activity. In a recent video, two magnet fisherman pulled up all kinds of things from the depths including a snub-nose pistol.
While the owner of the 30-year old cache has remained a mystery -- and, we assumed, would remain so -- Hamm's is now asking the owner of the sneaky stash to step forward and claim a reward.