World's 22 Most Perilous Bridges You'd Think Twice Before Crossing

6. Ponte Iya Kazurabashi, Japan

In the Iya Valley, the Kazurabashi Bridge is crafted from mountain vines, reflecting rural Japan’s ancient traditions. Crossing it is like stepping back in time, with creaking vines and swaying planks reminding you of its fragility. Steel cables are added every three years for safety, but the crossing remains thrilling and slightly unnerving, especially when you peer through the gaps at the river below.