the Grand Canyon Skywalk is a large, semicircular bridge with a transparent glass floor, allowing tourists to walk out 70 feet from the canyon rim and view the bottom from 4,000 feet above.

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 ...

Not every corner of the Grand Canyon is administered by the NPS, and this section on tribal land has experiences you won't ...

A cable hardly wider than my thumb stretched 3,200 feet from where I stood to a tower on the other side of Quartermaster Canyon. This 500-foot-deep fissure was home to the last item on my Grand Canyon ...

Arizona’s giant natural wonder reliably strikes awe, whether tackled from inside or above.

Florida’s landscape hides a 120-foot deep secret in plain sight, and it’s not another theme park or beach resort – it’s Devil ...

Hidden in the heart of Gainesville lies a geological marvel that defies everything you thought you knew about Florida’s ...

Mining companies see them as something that is glowing and hidden at the bottom. Opening up to see what is beneath the Grand Canyon is not a simple task; it triggers a lot, such as nuclear ...

This bucket list glass-bottom boat tour gives you a glimpse of shallow shipwrecks in Michigan’s only national marine sanctuary. “Lady Michigan” cruises over the famous wrecks of the Thunder Bay ...

They documented just enough to guess at the grand total of ... they unveil Glen Canyon’s lost wonders, allowing the consequences to resurface. Gregory Natural Bridge is one such wonder.

Just a few weeks earlier, a 41-year-old man was found dead near the bottom of the Grand Canyon, where he spent the night. Bystanders and park service personnel found his body on the Bright Angel ...