Beneath the ocean's surface lie forgotten shipwrecks, underwater landscapes and ruins that hold clues to the past. Josh Gates dives into some of the world's most intriguing underwater mysteries, exploring deep-sea wrecks, vast sea canyons and submerged archaeological sites. Each expedition uncovers new clues about what lies beneath the waves, but how much of history is still waiting to be discovered underwater? Watch Expedition Unknown, Season 2, Episodes 4 and 18; Season 3, Episodes 16 and 3; Season 1, Episodes 6 and 12; and Season 4, Episode 12, on Discovery Channel India. 🔔Subscribe Now! - https://www.youtube.com/@DiscoverychannelInd?sub_confirmation=1 🌍 Explore the World’s Greatest Mysteries: https://www.youtube.com/playlist?list=PLN4N_L1U4V6k5x_TLcFjME16xWvvd93Rs 🏕️ Watch Epic Survival Series: https://www.youtube.com/playlist?list=PLN4N_L1U4V6lP-kyI7OBnnCOfGHYU1t8y 👍Do Not Forget To Like, Share, and Comment on Our Videos. 📲Also, Follow Us on Social Media Facebook: www.facebook.com/DiscoveryChannelIndiaOfficial/ Twitter: twitter.com/DiscoveryIN Instagram: www.instagram.com/discoverychannelIn/ #discoverychannel #discoverychannelshows #discoverychannelindia