The BEST episodes of Megastructures season 5

#1 - Skyscraper (Ultimate Skyscraper)

Season 5 - Episode 2 - Aired 10/1/2009

Bank of America Tower at One Bryant Park, NYC

#2 - UK Super Train

Season 5 - Episode 3 - Aired 1/8/2010

It's one of the biggest construction projects in British engineering history. A new high-speed rail line costing several billion pounds and cutting through some of the most heavily developed land on the planet to complete a high speed link between two of Europe's major capitals: the Channel Tunnel between London and Paris. High Speed One's design and construction overcame unprecedented obstacles to achieve what many thought was impossible. Step aboard to explore the engineering behind this UK super train line.

#3 - Extreme Helicopter

Season 5 - Episode 1 - Aired 6/16/2009

The only purpose-built "flying crane" in existence, the Air-Crane heavy lift-helicopter is the most powerful helicopter workhorse in the world. It does extra-heavy, brute-force work with surgical precision thanks to its ability to keep its hanging load from twisting or swinging while aloft. It's also the only helicopter in the world with an aft-facing pilot seat to allow the payload to be strategically placed.

#4 - Wave Energy

Season 5 - Episode 4 - Aired 5/27/2010

#5 - Secrets of Oscar Tar Bridge

Season 5 - Episode 5 - Aired 10/9/2010

#6 - China's Smart Tower

Season 5 - Episode 6 - Aired 11/26/2010

The Pearl River Tower is one of the first of a new generation of super smart buildings. It will use less than half the energy of a conventional skyscraper and will harvest the forces of nature to make energy of its own. With a curved facade that faces directly into the wind, the Pearl River Tower in China's Guangzhou City is shaped for performance. With a design specific to its environment, the Pearl River Tower utilizes a multitude of energy efficient technologies in one single structure, and symbolizes the future for super-tall building design.