The Great Emancipator team added a backspin nozzle to their air cannon this year. Will this new gadget push them over the top?

Could this huge toss from team Onager be enough to win the division? Captain Rob chats with Tory before the first round of the event.

Roman Revenge catapult team captain Kim Moore was knocked off a ladder when their machine malfunctioned in the first round.

Fans at The Chunk bring their own engineering masterpieces to the field each year.

These returning champs have modified their machine. Can they go even further? Team captain Greg chats with Kari about their modifications.

Team Chunk Norris added some height to their machine for this year's event. Could this modified catapult be a winner, or will their pieing nightmare come true?

This video was made by embedding a camera inside a pumpkin and chunkin' it high and far. You won't believe how cool the view is up there.

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

The Golden Gate Bridge's two main cables are made from more than 80,000 miles of steel wire. That's enough to circle the globe three times! Is this bridge's greatest test yet to come?

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.

Manhattan's distinctive skyline is shaped by schist bedrock, which provides a rock hard foundation for One World Trade Center, the tallest building in the Western hemisphere.

New innovations keep the second busiest airport in America safe during summer heatwaves in Chicago.

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!

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.

Venice stands on 10 million ancient tree trunks, rooted ten feet into a layer of firm clay.