The world's longest and highest glass bridge, which is 1,115 feet long and 984 feet high, opened to visitors on Saturday in a national park in China's Hunan province. Photo: Getty Images ...

The highest bridge in the world has opened over the Beipanjiang Valley in China. It's 1,800 feet above the ground, or the equivalent of a 200-story building. Follow BI Video: On Twitter More from ...

After just two weeks of operation, China closed the world's highest and longest glass bridge. The bridge cost 22.5 million Yuan (over $3 million USD). Follow BI Video: On Twitter More from ...

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.

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 ...