http://en.wikipedia.org/wiki/ Golden_Gate_Bridge

A suspension bridge spanning the gold gate. Part of U.S route 101 and california state route 1. Links the city of San Francisco to Marin county. This is a six lane bridge for vehicles and bicycles. Travel guides refer to bridge as" possibly the most beutiful in the world."

http://en.wikipedia.org/wiki/London_bridge

Bridge over the River Thames that connects the city of london and southwark. This bridge forms the western end of the pool of london. This is a five lane bridge. Was the only bridge over the Thames until Putney bridge opened in 1729.

http://www.bing.com/images/search?q=Brooklyn+Bridge&view=detail&id=4D5A1BA23 896B7E6969BC0927BC3DD0E2F3E97EB&first= 0&FORM=IDFRIR&adlt=strict

One of the oldest suspension bridges in the United States. Connects the New York City borroughs and Manhattan as it spans over the East River. It was the longest bridge(1,595.5 feet (486.3 m) until 1903. The brooklyn bridge is the first steel-wire suspension bridge. This is a toll free bridge that carries motor vehicles, pedestrians, and bicycles. Up until 1944, it carries elevator trains, and carried streetcars until 1950.

Highway tunnels through the Tualatin Mountains of Portland, Oregon, USA. A three lane each way tunnel. Eastbound tunnel=305m, Westbound tunnel 289.

Only a scuplture that could not be used for vehicle transport. Sculptured from 20 tonnes (in 800 pieces) of bamboo in 2008. Spanned 120m across the river, at a height of 25m. Located in Newcastle upon tyne and gateshead.

A 16th century Ottoman bridge in the city of Mostar, Bosnia and Herzegovina. Crosses the river Neretva and connects two parts of the city. Stood for 427 years, until it was destroyed on November 9, 1993 during the Croat-Bosniak War.