Digital elevation data can be processed to simulate shadows cast on landscapes from various angles. This view represents the direction that each slope faces. This view emphasizes how steep the ...

The majority of the canyon's services and facilities – campgrounds, lodges, guided tours, etc. – are located on the popular South Rim. Because the Grand Canyon is a national park, be aware ...

“Leave it as it is,” declared U.S. President Teddy Roosevelt after a 1903 sojourn at the Grand Canyon. “You cannot improve on it. The ages have been at work on it, and man can only mar it.” ...

Ryan Crow of the U.S. Geological Survey (USGS) gave a talk to a packed crowd at the Museum of Northern Arizona Jan. 12 ...

In the afternoon, while his crew set up camp for the night, Powell would often climb into the canyon to investigate. Much has been learned about the geology of the Grand Canyon and about the ...

The best way to get around the Grand Canyon is by shuttle bus. Operated by the National Park Service, these free shuttles will take you all around the South Rim. If you're visiting the North Rim ...

The public lands surrounding Grand Canyon National Park contain high concentrations of uranium ore. Mining bores deep into vertical rock formations called “breccia pipes,” making uranium soluble to ...

That is longer than the Grand Canyon, which is 277 miles (446 km) from one end to the other, according to the National Park ...