TV series
MegaStructures
MegaStructures is a documentary television series appearing on the National Geographic Channel in the United States and the United Kingdom, Channel 5 in the United Kingdom, France 5 in France, and 7mate in Australia. Each episode is an educational look of varying depth into the construction, operation, and staffing of various structures or construction projects, but not ordinary construction products. Generally containing interviews with designers and project managers, it presents the problems of construction and the methodology or techniques used to overcome obstacles. In some cases this involved the development of new materials or products that are now in general use within the construction industry. MegaStructures focuses on constructions that are extreme; in the sense that they are the biggest, tallest, longest, or deepest in the world. Alternatively, a project may appear if it had an element of novelty or are a world first. This type of project is known as a Megaproject.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
MegaStructures is available to stream on Hulu, Prime Video, Amazon Freevee, Pluto TV, The Roku Channel, and Tubi in United States. You can also buy it from Amazon. Use the direct links below to open the provider.
Synopsis
MegaStructures is a documentary television series appearing on the National Geographic Channel in the United States and the United Kingdom, Channel 5 in the United Kingdom, France 5 in France, and 7mate in Australia. Each episode is an educational look of varying depth into the construction, operation, and staffing of various structures or construction projects, but not ordinary construction products. Generally containing interviews with designers and project managers, it presents the problems of construction and the methodology or techniques used to overcome obstacles. In some cases this involved the development of new materials or products that are now in general use within the construction industry. MegaStructures focuses on constructions that are extreme; in the sense that they are the biggest, tallest, longest, or deepest in the world. Alternatively, a project may appear if it had an element of novelty or are a world first. This type of project is known as a Megaproject.
Season 5 episodes
Choose an episode, then use the watch options above for the show.
Episode 2
Bridge Breakdown
A historic bridge is being taken down and recycled, but the demolition team faces challenges while doing it.
Where to watch MegaStructuresEpisode 4
Shanghai Super Tower
The design and construction of the Shanghai World Financial Centre which, at 101 floors high, will be China's tallest structure.
Where to watch MegaStructuresEpisode 6
Sinking an Aircraft Carrier
Looks at the technological designs and construction of the huge cruiseliner "Freedom of the Seas".
Where to watch MegaStructuresEpisode 7
The World's Biggest Cruise Liner
The renovated California Academy of Sciences - the world's largest green public building - emerges from the landscape of Golden Gate Park. Viewed from the air, the undulating living roof resembles a piece of the park flying as if by magic.
Where to watch MegaStructuresEpisode 9
Icelandic Super Dam
This episode looks at the Karahnjukar Hydroelectric Project in Iceland - an audacious engineering feat that includes the building of Europe's highest dam, the drilling of 30-mile-long tunnels and the construction of a gigantic underground power plant.
Where to watch MegaStructuresEpisode 12
Deep Earth Drillers
Mega Green Tech is in search of geothermal power.
Where to watch MegaStructuresEpisode 15
Atom Smasher
The Large Hadron Collider is a titan of science. Built on an unsurpassed scale, scientists aim to capture the smallest particles in the universe.
Where to watch MegaStructuresEpisode 22
The World's Biggest Cruiseliner
Looks at the technological designs and construction of the huge cruiseliner "Freedom of the Seas".
Where to watch MegaStructuresEpisode 24
Impossible Build
The renovated California Academy of Sciences - the world's largest green public building - emerges from the landscape of Golden Gate Park. Viewed from the air, the undulating living roof resembles a piece of the park flying as if by magic.
Where to watch MegaStructuresEpisode information updated Jul 24, 2026
More about MegaStructures
Credits
- Written by
- Mike Kelly
Production details
- Status
- Ended
- Series type
- Documentary
- Episodes
- 159
- Original language
- English
Networks & production
National GeographicUnited States
National GeographicUnited States
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