Step off the beaten path with these underrated Arizona adventures that spark wonder, excitement, and a playful sense of ...

Are you dreaming about Hawaii and want to know some of the most beautiful places in Hawaii tourists don’t know about? Keep ...

What makes South Lake particularly fascinating is its mysterious nature – it’s one of two bodies of water in the cavern ...

What makes South Lake particularly fascinating is its mysterious nature – it’s one of two bodies of water in the cavern connected to the vast Northern Arkansas-Southern Missouri underground water ...

Eight possible cave openings found on the Martian surface look to have once had ancient streams flowing into them, suggesting ...

Explorers entered a flooded cave system hidden deep in the forest, where light barely touched the water. As they swam through freezing tunnels, their flashlights caught pale, eyeless fish gliding ...

Weeki Wachee Springs State Park in Florida has enchanted visitors since 1947 with underwater performances by "real" mermaids.

Deep in the cave recesses, springs feed a stream. But this isn’t fresh mountain water. It’s a sulfidic brew, loaded with ...

Finland has spent decades digging caves into its bedrock. Now, as Russia rears its head, nervous Finns want to know: “Where’s ...

Offering everything from honeyed sands and rock-carved tunnels to shady pines and island coves, these are some of the best under-the-radar beaches that Portugal has to offer.

Terrence Tysall set a record scuba diving to the Edmund Fitzgerald. Ric Mixter dove in a submersible, finding a missing body.