Tower Bridge, London, England

One of London’s most recognizably landmarks, Tower Bridge is the star of millions of postcards, t-shirts, bags, and other assorted memorabilia, and no visit to London is complete without a photo on the bridge looking out over the river Thames. Londoners took a while to warm up to the bridge after it was first built, but now it has become a symbol of pride and a reminder of London’s rich Victorian history.The ‘wind and rain’ bridges are feats of architectural brilliance, and all are built without a single nail or bolt to hold them together. Built by the Dong people of China, these covered bridges are beautiful examples of Chinese architecture and are constructed using only stone and wood.began life as an aqueduct system that transported water to the Roman city of Nemausus and is a testament to the incredible building skills of the Romans. Built more than 2000 years ago, the Pont du Gard descends only 56 feet over 30 miles and was able to deliver around 5 million gallons of water to the city every day.in Venice, Italy has a unique arched shape and runs over the legendary Grand Canal. Singing gondoliers steer tourists gently beneath the bridge in the city’s famous gondola boats, and the elegant arches and white stones of the bridge make it an attractive addition to one of the most romantic cities on earth.