As the World's insatiable need for oil and gas grows, companies are going deeper, into more hostile environments than ever before. Watch as we rip apart the largest oil rigs on the planet to reveal the secrets of these amazing technological achievements… and discover if they can survive Mother Nature's most violent forces.

South Korea never constructed a submerged tunnel, but now tackles the challenge of building one of the deepest immersed highways on Earth. Designed for the fickle conditions of the Pacific, the giant tunnel must be both earthquake and typhoon proof.

The USS Ronald Reagan is a 4.5 billion dollars Nimitz-class supercarrier. Powered by 2 nuclear reactors, the 1100ft. long vessel is equipped with all the necessary facilities to house 6000 personnel and over 80 aircraft. Viewers are given an exclusive look at how the crew of these ‘floating naval base’ is put through a series of test in order to obtain their flight deck certification. Take a glimpse at the various facilities on the ship that keep the 6000 strong crew fed, rested, and entertained.

In the Paraná River of South America, lies the Itaipú Dam. Costing 20 billion dollars, the Itaipú Dam is the world's largest and most powerful hydroelectric power plant. It is a representation of the efforts and accomplishment of two countries, Brazil and Paraguay. The episode examines the efforts undertaken and the sacrifices made to construct the dam, including how the largest diversion channel was constructed to divert water from the world’s 7th largest river away from the main construction site.

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In 1955, two ferries sank along the Akashi Strait, Japan, killing 168 children. It led to a 30 year research on designing a bridge that would link the Awaji Island to Kobe; the bridge would also have to be able to withstand severe earthquakes and typhoons, a norm in that area. In 1988, Japan began construction of the world’s longest, highest and most expensive suspension bridge, the Akashi Kaikyo Bridge. The episode presents a stage by stage look at the construction of the suspension bridge, and the obstacles faced in its construction, including the Kobe earthquake in 1995.

What began as a racing track, and thanks to Adolf Hitler’s World War II propaganda efforts, the track grew into a sophisticated high-speed road system, linking to almost all the major cities in Germany. The Autobahn boasts of having super thick road beds, 4% or less grades, wide lanes, and build on layers of technology. The Autobahn allows vehicles to travel at speeds exceeding 160km/h for roughly 2/3 of its roads. The episode profiles the operations of the highway cops, and their reliance on technology in training, monitoring of roads and various methods of arrest. It also looks at the ADAC, an automobile club, which provides on the spot road assistance. Nicknamed ‘The Yellow Angels’, they also provide air medical rescue. The system of maintenance of the Autobahn is also examined. All this infrastructure makes this mega structure into one of the world’s most safest super highway.

Located 5 km off the coast of Osaka, Japan, is the Kansai International Airport. The airport is built entirely on a man-made island, 4 km long and 1 km wide. The only link between the island and Osaka is by the world’s longest 2-tiered bridge. Although the airport is built to withstand earthquakes and typhoons, the artificial island itself is sinking faster than anticipated. The episode looks at the various measures that are taken to keep the airport ‘afloat’, and the various facilities and services available to keep the airport running.

Just in time for the 2008 Beijing Olympics, workers are feverishly putting the finishing touches on the National Aquatics Centre – the Beijing Water Cube. A stroke of design genius, this Olympic Megastructure is a steel honeycomb-like frame enclosed entirely by a unique skin, modelled after soap bubbles. Using 90 kilometres worth of steel in 22,000 beams following no conventional straight lines, the Beijing Water Cube must be topped with 100,000 square metres of bubbles. Looking for a truly unique covering, the design team focuses on ETFE – a light-weight plastic invented to protect spaceships from cosmic radiation. Among ETFE’s unique properties, dot patterns on its surface can trap solar energy in the winter and reflect solar energy in the summer, keeping the building cool. The Beijing Water Cube is the largest ETFE construction in the world, and because of its honeycomb-like structure, 3,500 ETFE bubbles must be cut individually, and sized. Factor in that the dimensions have been created in Germany and must be translated into a Chinese database and the Beijing Water Cube becomes a bit of a logistical nightmare. Beijing’s Water Cube represents a true morphing of molecular science, architecture and structural engineering.

The Channel Tunnel or Euro Tunnel is one of the world’s longest underground rail tunnels, and links England with France. Consisting of two rail tunnels and a small service tunnel in-between, they total 153 km in length. The documentary looks at the race between the British and the French to complete the tunneling of the Channel Tunnel and the obstacles faced in its construction.

Designed by Cesar Pelli, the Petronas Towers were the tallest buildings in the world on the date of its completion. Located in Kuala Lumpur, the design of the 88 storey, 450m tall twin towers, carries an Islamic geometrical influence. The towers are a symbol of Malaysia’s pride. To instill competition, the contract for the construction of the towers were awarded to two different construction companies, each company was assigned to work on one of the towers. This episode takes a look at how the construction companies competed to complete their tower before the other. Problems faced, from the soil samples, the unique cement mixture used as a steel substitute, to the tropical weather, are covered.

The Orange Bowl, home to the Miami Dolphins for 21 seasons and host of five Super Bowls is about to be demolished. It’s a monster breakdown job, with a monster deadline: in just four months, a demolition team needs to clear over a quarter million feet of stadium to prepare for a new stadium. Not only is there a tight timetable, everything must be salvaged or recycled. But before the team can break down the stadium, they have to save parts of it. After a memorabilia company combs the bowl for collectibles and auctions off what they salvage, it’s finally time for the demolitionists to get their hands on the bowl. 50,000 left over orange seats, nearly 100,000 square feet of turf, and eight ten-ton stadium light towers are recycled or resold, freeing the team to take down the stadium itself. Using a combination of wrecking balls and mega machines, they cut, pull and pummel this historic structure until it’s nothing more than rubble. The iconic Orange Bowl, is about to be history.

For 20 years, the Sears Tower held the record for the world’s tallest building. Completed in 1973, the 110 stories high building is almost half a kilometer tall. And it still holds the record for having the world’s highest antenna. John Zils, structural engineer and designer of this mega-structure shares some of the secrets about the tower. And get a behind-the-scenes look at some of the various systems and controls that are vital to the building, like security monitoring, the elevators, and the water and power distribution to the various levels, and even the machines that cleans the windows.

Megastructures gets an inside look into the 13-year design and construction of Atlantic City's towering new casino, the Borgata.

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Construction of the Golden Gate Bridge.

In 1906, an earthquake of magnitude 7.9 rocked San Francisco. An earthquake of similar or greater proportions is expected to occur in San Francisco again, and soon. The episode takes a look at the efforts that are being made to retrofit and strengthen America’s most recognized bridge, the Golden Gate Bridge, before the next big earthquake happens. It also gives a brief history about the construction of the suspension bridge, and the people who were involved in its construction.

The worst of the worst were sent here—men like Al "Scarface" Capone, Alvin "Creepy" Karpis, "The Birdman" Robert Stroud. For 29 years, Alcatraz was a ferocious battle between America's toughest prison and the brilliant criminal minds locked inside. We'll explore the design, construction and legendary escapes from The Rock.

Cameras are taken inside the Pentagon for a rare look at the usual going ons in the Pentagon, and a look at how the important meetings might be conducted. High ranking military officials and politicians also share their feelings about the Pentagon.

Megastructure takes viewers on an inside look at how the Port of Singapore is able to move a third of the world's trade through the use of shipping and high-tech mega-systems.

Located near Johannesburg, South Africa, the Tau Tona is a gold mine. The Tau Tona is the main economic life blood of Johannesburg, supplying half the world’s gold needs. It is the deepest and largest working mine in the world. Its main shaft is 3.6 km deep and consists of 800 km of tunneling. This episode gives viewers a tour of the dynamic systems involved in maintaining a working environment deep in the earth. It also provides a glimpse of what life as a mine worker is like in Tau Tona. Risking heat exhaustion, and with 10 earthquakes a day, the miners work through narrow tunnels to extract gold from a 25 cm thick gold vein.

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Located in Alberta, Canada is the world’s largest known single deposit of oil worth trillions of dollars. However, the oil is trapped in a complex mixture of sand, water and clay, and the cost of extracting the fuel from the soil will cost billions. The episode profiles the competition between the Syncrude and the Shell Oil companies to extract the black gold. It looks at the various mega machines and systems that are used to extract, transport and the process used to separate the oil from the sand.

Located near Lac De Gras, Canada’s Northwest Territories, lies Canada’s first diamond mine, the Ekati Diamond Mine. The episode examines 3 mega machines utilized in the extraction and transportation of diamonds deep in the frozen rock in the remote tundra: the D90 rotary blast drill, the DeMag 655 hydraulic shovel and the CAT 793C haul truck.

A historic and present look at Holland's efforts to hold on to their precious land from floods as a result of rising sea levels and climate changes. After a storm in 1916, the Dutch began a labor intensive construction of a Barrier Dam in 1923, stretching 30 km in length. It resulted in the reclamation of 165,000 ha of new land, and creation of a fresh water lake. However, in 1953, a combination of a hurricane and high spring tides caused the North Sea waters to force through the barrier and flood the Dutch coastline, resulting in the loss of over 1,800 lives and 47,000 livestock. The disaster resulted in Holland's creation of the 'Delta Project'. Costing billions of dollars, the project began in 1958. The project consisted of the construction of concrete dams, steel sea walls and retractable floodgates. Environmental considerations also led to the construction of the storm surge barrier in the Eastern Scheldt, one of the biggest in the world. It consists of 2 floating gates built on special docks. The vast gates are controlled by a computer system that allows the gates to be kept open but closes when a flood is imminent. Also presented are current emergency plans that include allocation of certain areas of land to be flooded during worse case flooding..