The monument is named after the twin buttes on the horizon, which are held sacred by local tribes. This story appears in the November 2018 issue of National Geographic magazine. Deep in a box ...

This story appears in the February 2012 issue of National Geographic magazine ... It's hard to believe that a national monument girded by towering cliffs—their color burning through the spectrum ...

Soon after Donald Trump unilaterally renamed a global landmark, Google Maps reclassified the United States as a "sensitive ...