PBS
Pbs: Building Big: Bridges
A collection of resources about bridges that includes basic facts about bridges, challenges faced by bridge builders, famous bridges from around the world, and a lab that helps you understand how different forces affect bridge...
Other
Tower of London Kids Tour
Tour the Tower of London with Reginald Raven. He will guide you through the site and explain the history of this fascinating landmark. Stops on the tour include Tower Bridge, the moat, and to White Tower.
Curated OER
Wikipedia: Featured Image: Tower Bridge
An extremely high resolution image of Tower Bridge in London.