A Hidden Underground River Flows Right Through MinnesotaA Hidden Underground River Flows Right Through MinnesotaIt could be right under your feet at this very moment.Andy GottAndy Gott
Did You Know Minnesota Has An Underground River You Can Tour?Did You Know Minnesota Has An Underground River You Can Tour?It's not often you get the opportunity to see an underground river, but one southern Minnesota state park gives you the chance to do just that.Andy GottAndy Gott