22 of the World’s Most Dangerous Bridges You Should Never Cross

5. Tianmen Skywalk, China

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High above the world, the Tianmen Skywalk hugs the cliffs of Tianmen Mountain at nearly 4,700 feet. This glass bridge is just three feet wide, offering dizzying views straight down. Walking here is a heart-pounding adventure, perfect for those who crave both breathtaking scenery and a rush of adrenaline. Each step on the glass panels tests your nerve.