From the Drakensberg cliffs to China’s sky-high marvels, these glass-bottom bridges and skywalks will leave you breathless.

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.

Grand Canyon West, a private attraction on the Hualapai Indian Reservation that includes the glass-bottom overlook called the Grand Canyon Skywalk, is closer to Vegas at about 128 miles. But it's not ...

Grand Canyon West, a private attraction on the Hualapai Indian Reservation that includes the glass-bottom overlook called the Grand Canyon Skywalk, is closer to Vegas at about 128 miles.