9. Sidu River Bridge – China
It’s the highest bridge on Earth — suspended nearly 1,600 feet above the valley below.
Built to connect Shanghai and Chongqing, it’s a masterpiece of modern engineering.
But if you have a fear of heights, even looking out the window here can make your stomach drop.
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10. The Seven Mile Bridge – Florida, USA
This stunning ocean bridge connects the Florida Keys — but when hurricane season hits, it becomes a battle zone.
Waves slam against its sides, and crosswinds can make driving nearly impossible.
For locals, it’s a symbol of endurance. For visitors, it’s seven miles of white-knuckled awe.