Skywalk at the West Rim of the Grand Canyon. It's suspended feet above the Colorado River allowing one to have a 720 degree view, through the glass floor, of the Canyon!---The Grand Canyon is on my Bucket list.
Glass Pavement Built on the side of a mountain that allows you to see straight down feet beneath your feet in China called The Walk of FAITH. If you asked me they put the hand railing on the wrong side!
Alone rock column mountain (Avatar rocks). Zhangjiajie National Forest Park was officially recognized as a UNESCO World Heritage Site - China 21 Magnificent Photos That Will Place China On Your Bucket List