Jul. 25—ROCHESTER — If you happen upon a depression in a hillside, a hole in the ground that leads to water-carved tunnels, know this: Jesse James likely never slept there. Furthermore, no horses, ...

If you're looking for a unique adventure in Minnesota, this park offers the state's longest explorable cave, brown trout ...

Dawn Ryan (front), cave manager at Forestville/Mystery Cave State Park in southeast Minnesota's Fillmore County, and Krista McDermid from Zara Environmental during recent research to inventory animal ...

MINNEAPOLIS --If you're in Alaska, you should visit Denali. If you're in Arizona, you should visit the Grand Canyon. If you're in California, you should visit Yosemite National Park. And, according to ...

SPRING VALLEY — 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 his ...

SPRING VALLEY, Minn. — For his love of caves, John Ackerman has fallen into deep pits, nearly drowned in an underground stream and barely escaped being crushed by tons of rock. It’s no wonder that his ...

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 ...

WINONA, Minn. (AP) - Descending into a cave means entering a new world. There is no weather. The temperature remains steady year-round at 48 degrees. The cave's movement is barely perceptible. It ...

Bathynellacea — tiny groundwater crustaceans — recently found in underground caverns at Forestville/Mystery Cave State Park in southeast Minnesota's Fillmore County. The discovery, reported this month ...

Southeastern Minnesota and northeastern Iowa are prime cave terrain, with soluble rock such as limestone eroded over time by running water. For a person on the surface, sinkholes are a clue to finding ...