Some of the most amazing spectacles around the world are hidden deep underground, beneath rocks, sea and even ice.

On your next getaway, you can explore the world under the earth’s surface that never sees the light of day. From cave kisses to albino creatures to crystal clear pools, caves and caverns are a unique ...

For 16 years, the Buffalo National River has denied explorers access to Arkansas’s longest cave and hundreds of others. Some ...

My quest to visit more Texas state parks this year took me up to Longhorn Cavern, located off U.S. 281 near Marble Falls. State of play: The cavern was formed by an underground river system, a rarity ...

Participants highlighted concerns about oil and gas drilling, cleanup of sites contaminated by the uranium industry, hydrogen ...

The following column is satire. U.S. President Donald Trump has announced a plan to allow corporations to buy the naming ...

These hidden gems in Arizona are picture perfect in every way. Come explore historic sites, mesmerizing lakes, and even a ...

In the Arizona desert, researchers are learning so much more about the peoples who have inhabited this land since antiquity ...

Uncover hidden gems and underrated tourist spots in Ohio that locals rave about on Reddit. These unique destinations span beyond the usual tourist trails!

My time at Métis Crossing in Alberta, Canada, remains an all-time favorite immersive travel destination because of the warmth ...

The order does not mandate use of the new ... national park, and directs the secretary to work with local Alaskan populations to preserve their names. Trump had also discussed renaming the Gulf of ...