FILLMORE COUNTY, Minnesota (WCCO) — The Fillmore County countryside contains thousands of acres of green, lush farmland, but some people here believe what’s below the surface is just as beautiful.

If you're looking for a day trip from Minneapolis, there's tons of places to explore around Southern Minnesota that are an easy drive from the city. Just 30 minutes away, for example, is the ...

Minnesota is a cave lover’s paradise. Home to over 100 fascinating caves and ice caves just waiting to be explored. As a native Minnesotan and experienced caver, I’ve had the thrill of visiting many ...

SPRING VALLEY, Minn. (AP) — John Ackerman is a big-time landlord of subterranean real estate. Ackerman, 59, owns Spring Valley Caverns, the largest private cave in Minnesota but just the beginning of ...

Sweat threatened to break beneath my yellow hard hat as I stood in an open-air shelter, the only shade on a sunny hilltop outside the entry to Minnesota's first iron ore mine. Just in time, a door ...