22 World's Most Terrifying Bridges That Will Test Your Courage

6. Ponte Iya Kazurabashi, Japan

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Deep in the Iya Valley, the Kazurabashi Bridge is constructed from mountain vines, reflecting the ancient customs of rural Japan. Crossing this bridge is a trip into history, as the groaning vines and moving planks remind you of the bridge's delicate character. For extra safety, steel cables are woven with the vines every three years, but the crossing remains a thrilling and somewhat unsettling experience, especially as you look through the openings at the river far below.