Did you know there are caves in Arizona? Colossal Caves near Tucson is one of the largest dry cave complexes in North America but it only takes 45 minutes to complete the walking circuit through ...

Beneath the United States lies a surprising network of caves shaped over millions of years. Some feel almost otherworldly, ...

This year, the annual list from the National Trust for Historic Preservation includes a mysterious castle, flooded ...

The US' history goes back thousands of years, thanks to a wealth of archaeological sites that give insight into the first ...

We have been following Arizona's sober living crisis for quite ... A bag of Cheetos that was left on the floor of Carlsbad Caverns in New Mexico turned into a "world-changing event" for insects ...

The Depression-era chateau at the Oregon Caves National Monument and Preserve, closed since 2018 for rehabilitation work, is ...

Another small 1880s boom town in southern Arizona, Benson served as a railroad hub and today is most well-known as the gateway town to Kartchner Caverns. These enormous, underground caverns are “live” ...

Arizona carbon injection wells oversight transferred to state control, officials celebrate while environmental groups fear ...

Two Arizona properties with historic pasts are among the 11 most endangered historic places in the United States. Here's ...