With the soft crunching of snow underfoot, Jordan walks steadily through the imposing ice structure, heading "towards the ...

Carlsbad Caverns National Park in southeastern New Mexico is home to 119 known caves, including North America's largest cave chamber, the Big Room.

While Arizona is famous for its stunning landscapes and dramatic rock formations, some of the best things to see here are underground. Arizona has numerous famous caves — some readily open to ...

Karaca Cave in Gumushane province, Türkiye. The Karaca Cave is a stunning natural formation spanning 1,500 square meters. The ...

Entrance to all U.S. national park sites is free on Veterans Day. Here are 5 parks you should visit and additional tips to make the most of your trip.