The BEST episodes of Megastructures season 2012

#1 - Dubai's 5-Star Racecourse

Season 2012 - Episode 2 - Aired 5/10/2012

Built in the middle of the desert, the new Meydan racecourse will define raceday luxury. But will it be finished in time for the Dubai World Cup?

#2 - Gardens by the Bay

Season 2012 - Episode 12 - Aired 7/12/2012

Five million people live in a land area smaller than New York City. To make such a small and highly urbanised place liveable, Singapore is embarking on its most ambitious project to date.

#3 - World's Fastest Rollercoaster

Season 2012 - Episode 7 - Aired 4/27/2011

Formula Rossa - The ultimate speed roller coaster is part of the world's largest indoor theme park - Ferrari World on Yas Island, Abu Dhabi, in the United Arab Emirates. This awe-inspiring ride takes you from 0 to 240 km/h in under 5 seconds. You can feel mind-blowing acceleration like in a Formula One car. Follow construction manager Andreas Granig and his team as they struggle against aggressive conditions in the desert environment and build up a power system which is unseen in the world. 20,800 horsepower propels the F1 Ferrari inspired coaster train to a height of 52 m and lets it run through more than 2km of humps, curves and camelbacks. See the dramatic installations 50 meters above ground. In their quest for speed the engineers overcome heat and danger to take the title for the fastest roller coaster in the world.

#4 - London's Olympic Stadium

Season 2012 - Episode 1 - Aired 5/3/2012

Come summer 2012, the eyes of the world will be focused on a sporting megastructure: London's Olympic Stadium - the centerpiece of the 2012 Games. By day it will be the venue for all track and field events, and by night, a dazzling stage for London's opening and closing ceremonies. But this isn't just a place where world records will be set. It's a milestone in sporting architecture. Designed to be different, Stadium 2012 is the world's first "demountable" Olympic Stadium. Bolted together like a giant Meccano set, the 80,000-seat arena can be taken apart and downsized to a 25,000-seat athletics venue after the games. But creating a stadium that's lighter and tighter is a massive undertaking, fraught with challenges. Will London have an Olympic arena to be proud of? Or will this go down in history as the stadium that failed to impress?

#5 - Smart Tunnel

Season 2012 - Episode 6 - Aired 6/3/2012

#6 - Monster Shredder

Season 2012 - Episode 4 - Aired 5/24/2012

Experience the mighty mega shredder. The world's largest recycling machine takes the floor space of an entire factory. It will reduce the equivalent of 450 cars an hour to an unrecognizable pulp.