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5 Episodes
S3 E1 - Empire State Building Decoded
S3 E2 - Rebuilding the Hoover Dam
S3 E3 - Statue of Liberty Secrets
S3 E4 - Fortress of Sound
S3 E5 - Secrets of Stonehenge
Streaming, rent, or buy If We Built It Today – Season 3:
Currently you are able to watch "If We Built It Today - Season 3" streaming on Discovery+ Amazon Channel, Discovery +.
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