Escape the outside world on these eight wild treks through lava tubes, caverns, and abandoned tunnels across the U.S.

The Shoshone Ice Caves won't be open to visitors this summer, as the tourism destination's owners work toward rebuilding the ...

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. It's been a year since the dramatic rescue of the 12 members of the junior football team and their coach from the Tham ...

Illinois Valley Chamber of Commerce leaders visited Washington, D.C., to lobby on behalf of the historic Oregon Caves Chateau ...

Neelesh Kale's photography exhibition, "An Extraordinary Journey Through Ellora's Kailasa Temple and Caves," will take place ...