What would you see on a day trip to the new Chuckwalla National Monument? Rugged mountains, sweeping valleys, breathtaking slot canyons and more.

Established in 1924, the Wupatki National Monument – part of a collective of Flagstaff Area National Monuments, including Sunset Crater Volcano and Walnut Canyon – is a nature and culture ...

Interior Department officials are considering scaling back the boundaries of national monuments in the West to encourage energy development on public lands.

A US national marine monument found in the middle of the Pacific Ocean has recently lost one of its key federal protections, after an executive order from President Donald Trump opened up parts of ...