The Trump administration also announced plans to terminate nearly three dozen National Park Service leases in the next two ...

One of the more controversial additions to the Grand Canyon's surroundings, the Grand Canyon Skywalk is a large, semicircular bridge with a transparent glass floor, allowing tourists to walk out ...

A visit to the Grand Canyon is a true bucket list item for anyone on a US road trip. But Arizona isn't the only place where an ambitious explorer can find a Grand Canyon. NASA’s Lunar ...