FLAGSTAFF, AZ — Located just east of Flagstaff, Walnut Canyon National Monument offers visitors a rare look into cliff dwellings built more than 800 years ago by the Sinagua people, whose name ...

Republican state legislative leaders want an appellate court to give them a chance to void the designation of nearly a million acres in northern Arizona as a national monument. In new filings ...

At Montezuma Castle National Monument, you can see the breathtaking 20-story habitat and ingenious irrigation well built by Ancestral Pueblo Indians 900 years ago.

It’s possible, after a short walk in this national monument, to completely forget that downtown San Francisco is less than 15 miles away. This relatively small park, which is part of Golden Gate ...

St. Augustine’s Castillo de San Marcos National Monument, located on the western ... Coquina’s porous nature, filled with microscopic air structures, absorbed and deflected cannon fire.