Watch Series: If We Built It Today Released in (2019) - Season 2 produced by USA, The TV Series categorized in Documentary, and content rating TV-PG with duration 45 min broadcasted as these networks Science, Science Channel, Streamed at Putlocker They are some of the world’s all-time greatest building projects. Most have stood the test of time, but with today’s technology, could they be duplicated and done better? - Season 2