22 Terrifying Bridges That Will Make Your Heart Skip a Beat

12. Seven Mile Bridge, Florida

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Extending across the turquoise waters of the Florida Keys, the Seven Mile Bridge ranks among the world's longest bridges. Connecting Knight's Key to Little Duck Key, it provides expansive views of the Atlantic Ocean and the Gulf of Mexico. On peaceful days, the drive feels serene, but when storms approach, the exposed bridge transforms into a dramatic and occasionally hazardous route.