Tower bridge:Tower Bridge in London, England was built. By the end of the 19th century, the development of the eastern part of London caused such a load on the London Bridge that the city decided to build a new bridge.
Golden Gate Bridge:The Golden Gate Bridge is such an iconic symbol of San Francisco that itâ€™s hard to imagine a time when it didnâ€™t exist. In 1916, the idea of a bridge to cross the Golden Gate, a narrow strait that separated San Francisco Peninsula and the Marin Headlands, was conceived.
Brooklyn Bridge:Today, the Brooklyn Bridge is one of the main crossings of the East River and one of the most heavily trafficked bridges in the world.In 1855, engineer John Roebling started to design a bridge that at the time would be the longest suspension bridge in the world, with towers being the tallest structures in the Western Hemisphere: the Brooklyn Bridge in New York
Ponte Vecchio:The Ponte Vecchio is a medieval bridge over the Arno River. Actually, itâ€™s much more than a bridge – itâ€™s a street, a marketplace, and a landmark of Florence, Italy.
Bridge of Sighs:In the 19th century, Lord Byron named a Venetian limestone bridge across the Rio di Palazzo connecting the Dogeâ€™s prison to the interrogation room in the main palace, the Bridge of Sighs. Supposedly, the prisoners would sigh when they look out the window – with stone bars no less – to see their last view of beautiful Venice before their imprisonment, torture or execution.
Iron Bridge:The Iron Bridge, spanning the Severn river in Shropshire, England, isnâ€™t a particularly large or ornate bridge, but it does have something that made it unique: itâ€™s the first bridge made completely out of cast iron.In the 18th century, Shropshire was rich in iron and coal – indeed, there were more iron factories within two-mile radius of the town than any other city in the world.
Khaju Bridge: in Isfahan, Iran, was built in the 17th century by Shah Abbas II. The bridge also serves as a dam, with sluice gates under the archways. When the gates are closed, the water level behind the bridge is raised to irrigate gardens alongside the Zayandeh River.