The main Grand Canyon National Park water pipeline has failed, prompting a sudden shutdown of overnight hotel stays during one of the busiest times of year for the famous tourist destination.

The Grand Canyon is a spectacular sight to behold in and of itself, but did you know the surrounding national park is also home to a wealth of prehistoric rock art?

The body of 20-year-old Leticia Castillo was discovered on Tuesday, 150 feet below an overlook at Grand Canyon National Park, marking the third death this week.

A Grand Canyon original fetched $9,000 for a poster that cost 12 cents to make. When Leen tracked down a Yosemite original in the hands of a Baltimore physician, it appraised for $22,000.

Grand Canyon National Park is halting overnight hotel stays and imposing fire restrictions after “significant breaks” in the Transcanyon Waterline cut off the water supply to the park.

How to make a national monument It took two million years for the Grand Canyon itself to form and around 40 years for Baaj Nwaavjo I’tah Kukveni to become reality.

Doug Leen has been a ranger, a dentist, a frontiersman. He's also pursued the history of classic national park posters. His book of research and art is out now.