Bridges are an engineering feat that serve a specific transportation purpose and require a lot of planning, but they can also be magnificent structures that are marvels unto themselves. If you get a chance to check out these structural masterpieces, they will be well worth your time on your next vacation.
Spanning the Pinheiros River the Oliveira bridge is characterized by the “X” form that creates the bridges apex. At Christmastime the cables are lit in festive colours, which make it a beautiful attraction.
This bridge seems to defy gravity itself with the steep incline that somehow seems to work. The unusual height of this bridge is intended to allow ships to sail under without an opening mechanism.
You need take a cable car to reach this pedestrian bridge. The Sky Bridge connects two hilltops and provides a viewing platform from which to take in the breath-taking scenery. This is not for the faint of heart.
Living bridges made out of the roots of rubber fig trees, these locally make bridges are truly awesome to behold.
An iconic and historic part of London, Tower Bridge crosses the River Thames. With two towers, a suspended walkway and a suspension component that allows boats to pass underneath this bridge has it all. The bridge underwent modernization just prior to the London Olympics and is a beautiful sight when lit at night.
A pedestrian bridge to marvel at in the Marina Bay area, the Double Helix is an encapsulated pedestrian bridge with a spiral made of glass and steel, which provides shade in the daytime and lit at night provides a special atmosphere for those out for a stroll.
Probably the most famous and photographed bridge in the world, this 3 mile bridge spans the San Francisco Bay. The bridge is really your first impression of San Francisco if you are coming from the neighbouring county, Marin. The iconic red paintwork of the bridge employs painters who continually work on touch-ups as they are needed. 
Connecting North and South Rotterdam, the Erasmus bridge boasts only one mast and is affectionately nicknamed the Swan by locals. In typical Dutch style, the Erasmus bridge can accommodate alternative modes of transportation to cars such as: 2 tramway tracks, 2 pedestrian walkways and 2 cycle tracks.
