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

If you’re reading this story decades from now, say in 2066, hopefully a vast Grand Canyon wilderness, in the truest sense of the word, still exists. Your National Geographic Society membership ...

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 ...

We can pass beneath cathedrals of sun-shafted old-growth forests or descend even deeper, into temples of geology and time, the greatest of which in this country is the Grand Canyon. Looking upon ...

Formed over thousands of years of erosion caused by hydrothermal activity, water and other natural forces, the Grand Canyon ... taken aback by the geographic details of the canyon, including ...