Bridges are an underrated piece of architecture. When people think of engineering marvels, they’re more likely to think of soaring skyscrapers, elaborate buildings, and historic churches.

This 4,760-foot bridge connecting upper Manhattan’s Washington Heights to New Jersey is one of the most famous bridges in the United States. Completed and opened to traffic in October 1931 ...

Along with Parliament and Big Ben, Tower Bridge is London's next must-see architectural marvel, not to mention the most famous bridge ... roadways that lift up when large ships need to pass ...