There's a really cool underground limestone mine in Kentucky that you can take a boat, kayak, or paddleboard tour in, and it ...

Kitch-iti-kipi, Michigan’s largest freshwater spring sits in the Upper Peninsula, where it pumps out 10,000 gallons of clear ...

Weeki Wachee’s biggest attraction has been its historic underwater mermaid shows in a 400-seat submerged auditorium ...

The most studied subject of all at the Devil’s Sinkhole is the Mexican free-tailed bat, a cherished mammal by farmers in ...

Claiming a mere 15 miles or so in length, Roaring River is one of the shortest rivers in the nation, but its source, Roaring ...

A 30-meter sediment core from Belize's Great Blue Hole reveals 5,700 years of hurricane history, showing a sharp rise in ...

Motorcyclist found dead 17 hours after falling into massive sinkhole - The man and his motorbike were swallowed when the ...

The Corvette Museum sinkhole incident made headlines when it first happened, but what was the actual cause of the catastrophe ...

Reporter Monica Charsley embarked on a 24-hour adventure to Mount Gambier during her trip to South Australia. The forgotten city is a must-see for thrillseekers, nature enthusiasts and historians ...

“Mexico is not that much different from many other places in the world,” says Jack Ezon, founder of New York City-based ...

The town sits near the entrance to Harrison-Crawford State Forest and O’Bannon Woods State Park, offering miles of hiking ...

If you're looking to explore the hidden treasures below the surface, underwater cave adventures are as unique as they come ...