1. The Royal Gorge is a canyon located west of Cañon City, Colorado. The bridge crosses the gorge 291 m above the Arkansas River and held the record of the highest bridge in the world from 1929 until 2001
2. The beauty of Ruyi Bridge in Taizhou, Zhejiang China.
It's made up of three bridges across the Shenxianju Valley and it features a glass-bottomed walkway.