The fate of 40 Mississippian cave drawings in unknown after historic flooding at Dunbar Cave last month. The drawings are coated in mud.

We set out to explore what might be the biggest river cave we’ve ever seen, and this adventure quickly turned into one of the craziest expeditions we’ve filmed. With permission to park near the cave ...

We're back at the Culvert Cave, picking up where we left off in our last adventure. This time, we're diving even deeper into the massive underground river cave that lies beyond the mysterious pipe ...

Learn about a prehistoric native civilization at Cahokia Mounds in Collinsville, Illinois. Around 1100, Cahokia Mounds was ...

The beauty of what was informally called Devil’s Hole and its archeological finds in the early 19th century drew tourists ...

National parks, vibrant cities, Game of Thrones, islands, beaches, mediaval towns and food are some of what Croatia is known ...