An underground stream winds through a vast Illinois cave few people know about. Wade through cool water and explore one of the state’s most surprising adventures.

BELLEVUE, Ohio – Looking for a cool adventure during the hottest days of summer? Head underground at Seneca Caverns, where the temperature is always a cool 54 degrees. The rock formations are pretty ...

If you’re hunting for a one-of-a-kind adventure in Kentucky that mixes history, thrills, and pure exploration, look no ...

Travelers look beyond the usual summer spots that are cooler than the beach, with underground attractions and cavern escapes to beat the heat. Natural formations offer a refreshing break from the ...

Carlsbad Caverns National Park in New Mexico offers unique and breathtaking limestone cave formations, hiking trails, and educational experiences.

This family-friendly Arkansas cave is an adventure lover’s dream, offering an exciting and educational experience for everyone to enjoy together.

Soaring temperatures have dominated Rochester and other parts of New York this summer. But about three hours away, in a space lined with limestone, massive boulders and colorful lights, the depths of ...

From health spas to film storage, salt mine caverns have been put to use in surprising ways—and they’re now poised to contribute to the generation and storage of clean energy.

An underground salt deposit in Queensland could prove to be the perfect place for hydrogen gas or compressed air. A ...

Travelers look beyond the usual summer spots that are cooler than the beach, with underground attractions and cavern escapes to beat the heat. Natural formations offer a refreshing break from the ...