Uncovering the Secrets of New York City (Full Episode) | Drain the Oceans

In just 400 years New York has become a global powerhouse. By draining the ocean, revealing submerged shipwrecks and subterranean secrets, we explain how. Enjoy a free trial of National Geographic right here: ➡ Subscribe: ➡ Get more Nat Geo Full Episodes: ➡ Get more Nat Geo Wild Full Episodes: And check out more National Geographic series and specials here: ➡ Disney Plus: ➡ Hulu: ➡ NGTV app: ➡ ABC app: #FullEpisode #DrainTheOceans #NationalGeographic Get More National Geographic: Official Site: Facebook: Twi