UK,
2020, 5 h 35 min
(Length: 41–42 min)
Episodes(8)
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Dubai's Impossible Island (S07E01)
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World's Toughest Tunnels (S07E02)
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F-35 Fighter Jet (S07E03)
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NYC Mega Tower (S07E04)
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World's Biggest Airport (S07E05)
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Spy Plane Declassified (S07E06)
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World's Highest Bridge (S07E07)
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Conquering Avalanche Country (S07E08)
Gallery (108)
Spy Plane Declassified (S07E06)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - Spy Plane Declassified - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/829/168829808_e9qar7.jpg)
Spy Plane Declassified (S07E06)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - Spy Plane Declassified - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/829/168829805_i1ku3t.jpg)
Spy Plane Declassified (S07E06)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - Spy Plane Declassified - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/829/168829809_b4ucgo.jpg)
World's Highest Bridge (S07E07)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - World's Highest Bridge - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/858/168858109_5fq6ig.jpg)
World's Highest Bridge (S07E07)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - World's Highest Bridge - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/858/168858111_oi868d.jpg)
World's Highest Bridge (S07E07)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - World's Highest Bridge - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/858/168858112_be7je5.jpg)
World's Highest Bridge (S07E07)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - World's Highest Bridge - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/858/168858110_de3ra2.jpg)
World's Highest Bridge (S07E07)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - World's Highest Bridge - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/858/168858113_30vynu.jpg)
World's Highest Bridge (S07E07)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - World's Highest Bridge - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/858/168858115_yxtrer.jpg)
World's Highest Bridge (S07E07)
Photo © Discovery Networks
![Impossible Engineering - Season 7 - World's Highest Bridge - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/858/168858114_fe96ym.jpg)