To behold the Grand Canyon from above, visitors usually book a helicopter tour or ride a zip line. But at the west rim of the canyon, there's a third (and equally adrenaline-inducing) option: Skywalk.

To behold the Grand Canyon from above, visitors usually book a helicopter tour or ride a zip line. But at the west rim of the canyon, there’s a third (and equally adrenaline-inducing) option: Skywalk.

If you’ve ever dreamed of drinking a cup of coffee half a mile into the air, there’s a new way to get your morning cup in the sky. China’s Huajiang Grand Canyon Bridge, which opened to traffic on Sept ...