Watch as precision and creativity come together to construct Tower Bridge using only magnets. Each piece connects seamlessly, ...

Along with Parliament and Big Ben, Tower Bridge is London's next must-see architectural marvel, not to mention the most famous bridge that crosses the Thames. Construction on the bridge started in ...

the Garabit Viaduct remained the tallest bridge in the world. The single railroad track crosses the Garabit Valley, 400 feet above the Truyere River. That’s half as high as the Eiffel Tower!