The Panama Canal is undoubtedly one of the most complex, costly, and difficult engineering projects ever undertaken.

The Eiffel Tower is one of the most known and beloved monumental structures of the world, yet it was never intended to be.

The Golden Gate Bridge had, at the time of its creation, the longest span of any suspension bridge in the world.

The Zuiderzee Works are an amazing feat of modern engineering constructed to protect The Netherlands from flooding as well as to create over a half million acres of usable farmland.

The Channel Tunnel (aka The Chunnel) is a relatively recent work of engineering genius.