Zion National Park is celebrating International Dark Sky Week by going completely dark after sunset to allow visitors to connect with the night sky and enjoy stargazing opportunities.

Add Yahoo as a preferred source to see more of our stories on Google. Zion National Park is one of the most visited parks in the United States, drawing millions of visitors every year. Most people ...

In southwestern Utah, Zion National Park’s astounding red-rock formations, mesas, and water-carved canyons were among the earliest additions to the the U.S. National Park System. Photograph by Jill ...