Millions of people around the world know of the Grand Canyon and many Arizonans have visited it — but few comprehend the incredible complexity and age of the rocks that form this vast gash in ...

The Bureau of Reclamation has said it will not flood the Grand Canyon this spring because of ongoing work around the Glen Canyon Dam and Colorado River. In April the bureau said it would recommend ...

Federal officials have confirmed that they will not flood the Grand Canyon this spring, citing ongoing work on Glen Canyon Dam and in the Colorado River downstream. Colorado River advocates say ...

A single day at Grand Canyon is well worth your time. This itinerary has the highlights. Park your car and ride the shuttles to the best scenic views and historical locations. Numerous activities ...

But all of the Grand Canyon figurines have been discovered in deep caves in the Redwall Limestone stratum ... to have worked superbly for them. In spring, summer and early autumn they lived ...

NPS warns hikers and other park visitors in the media release to remain cautious as temperatures continue to rise in late spring into early summer: The NPS urges all visitors to Grand Canyon ...