From dense jungles hiding lost cities to ancient codes waiting to be deciphered, the past holds mysteries that challenge everything we know about history. Josh Gates explores forgotten settlements, follows clues buried in ancient ciphers and investigates how aerial LiDAR technology can reveal structures concealed beneath thick forest cover. Each discovery offers a new lead, but will these investigations uncover the truth behind civilizations that time nearly erased? Watch Expedition Unknown, Season 1, Episodes 1, 10, 8 and 7; Season 3, Episode 4; and Season 4, Episodes 13, 3 and 6, 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