UK,
2017, 8 h 23 min
(Length: 41–42 min)
Episodes(12)
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World's Largest Radio Telescope (S03E01)
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Panama Canal Overhaul (S03E02)
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World's Biggest Ship (S03E03)
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Ice Base (S03E04)
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Mega City Railway (S03E05)
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The Invincible Tower (S03E06)
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International Space Station (S03E07)
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US Navy's Super Ship (S03E08)
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Inside the Tesla Factory (S03E09)
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World's Biggest Aircraft (S03E10)
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World's Tallest Roller Coaster (S03E11)
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Monster Oil Rig (S03E12)
Gallery (71)
World's Biggest Aircraft (S03E10)
Photo © Discovery Networks
![Impossible Engineering - Season 3 - World's Biggest Aircraft - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/271/168271515_fs4q1d.jpg)
World's Biggest Aircraft (S03E10)
Photo © Discovery Networks
![Impossible Engineering - Season 3 - World's Biggest Aircraft - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/271/168271516_j9wt12.jpg)
World's Biggest Aircraft (S03E10)
Photo © Discovery Networks
![Impossible Engineering - Season 3 - World's Biggest Aircraft - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/271/168271517_e49txb.jpg)
World's Biggest Aircraft (S03E10)
Photo © Discovery Networks
![Impossible Engineering - Season 3 - World's Biggest Aircraft - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/271/168271518_rpploj.jpg)
World's Biggest Aircraft (S03E10)
Photo © Discovery Networks
![Impossible Engineering - Season 3 - World's Biggest Aircraft - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/271/168271519_zsn0n2.jpg)
World's Biggest Aircraft (S03E10)
Photo © Discovery Networks
![Impossible Engineering - Season 3 - World's Biggest Aircraft - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/271/168271520_48jjyw.jpg)
World's Tallest Roller Coaster (S03E11)
Photo © Discovery Networks
![Impossible Engineering - Season 3 - World's Tallest Roller Coaster - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/273/168273839_0238d6.jpg)
World's Tallest Roller Coaster (S03E11)
Photo © Discovery Networks
![Impossible Engineering - Season 3 - World's Tallest Roller Coaster - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/273/168273840_jl6wul.jpg)
World's Tallest Roller Coaster (S03E11)
Photo © Discovery Networks
![Impossible Engineering - Season 3 - World's Tallest Roller Coaster - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/273/168273847_sdack9.jpg)
Monster Oil Rig (S03E12)
Photo © Discovery Networks
![Impossible Engineering - Season 3 - Monster Oil Rig - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/319/168319588_grdyxp.jpg)