New Orleans lies up to 10 feet below sea level and is surrounded by water. When a hurricane hits, the city is threatened from all sides

As the largest rail hub in America, Chicago has to think creatively to keep the system and running... especially during extreme weather.

There are vast expanses of coal beneath the surface of Sydney, Australia. See how the coal is extracted using controlled explosives.

After the devastating 2011 earthquake and tsunami, engineers in Japan search for safer ways to provide energy to the islands. One idea: The Squid.

Learn how Roman engineers kept water flowing for miles around the expansive metropolis.

Over seven million people are living on a tectonic time bomb.

Hurricane Katrina devastated much of New Orleans in 2005. Many people thought the city's Superdome was indestructible - but it wasn't. Now engineers take innovative steps to stop the next big storm from wreaking havoc.

Discover what lies beneath some of the largest cities in the world. Don't miss the premiere of Strip the City, February 5 at 9/8c on Science Channel.

The Eiffel Tower was the tallest structure in the world for more than 40 years. Today, it's the most iconic landmark in Paris. See what lies hidden from the naked eye.

London's subway system, known as "the Tube," is adding nine new stations and 26 miles of tunnels. It's the biggest engineering project in Europe and needs massive tunnel boring machines to get the job done.

Below the streets of Toronto is a marvel of engineering called PATH - a network of underground shopping malls, subway stations and pathways that provide shelter from harsh winter weather.

Paris has the second busiest Metro hub in Europe but cracks in the rocks could be a serious safety problem. Travel beneath Paris to explore a hidden world underneath the surface.

Still standing firm more than 500 years after being built, Machu Picchu continues to provide engineering lessons to those studying the ancient site. How did the Inca build such a site?

With no room left for expansion, the city of Sydney, Australia decides to create new land off shore. Find out how to create man made land!

The roads to Machu Picchu aren't built for wheeled vehicles. Instead, they're carefully constructed so that humans and animals can traverse steep cliffs on staircases built into the mountainside.

Dubai is designed to withstand incredibly strong sandstorms. See how engineers test infrastructure designs against winds up to 80 mph.