Are you afraid of heights? If so, you'll probably want to skip the Glacier Skywalk. Everyone else should consider trekking out over the U-shaped walkway, which extends over the Sunwapta Valley.

An curved arrow pointing right. If you want to feel like you may plummet to your certain death, but without any of the actual risk, the Glacier Skywalk at Jasper National Park in Alberta ...

Each trip last between two and three hours (including 20 minutes on the ice), and all excursions include access to the Glacier Skywalk. The Ice Explorer tours depart from the Columbia Icefield ...

Some 10,400 feet high, the deck cantilevers 30 feet over the edge of ... even more vertiginous viewing platform at the Grand Canyon Skywalk, finished in 2007. It might be only 4,000 feet high ...