Supersized Earth traces the spectacular story of how humans have transformed our world in a generation. In this awe-inspiring three-part series, Dallas Campbell travels the globe, visiting the world's largest and most ambitious engineering projects, exploring the power of human ingenuity and the making of the modern world.

In this episode, Dallas explores how we can travel further and faster than ever before - and how our desire to shrink the world is inspiring some of the most extraordinary engineering projects on the planet. He takes a treacherous walk along what will be one of the longest suspension bridges in the world and reveals how to move an object the size of Buckingham Palace half way around the globe. He examines how we have created a permanent home beyond the atmosphere in space and here on earth, he takes part in a modern day love affair - a drive-through wedding. Show less