The Curse of Oak Island: Gary Discovers Evidence of Secret Tunnel (Season 8) | History

As the team continues to excavate the stone pathway, they make another groundbreaking discovery of a castor wheel - possibly utilized during a tunneling operation, in this clip from Season 8, "A Loose Cannonball." #OakIsland Watch all new episodes of The Curse of Oak Island, Tuesdays at 9/8c, and stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. Subscribe for more from The Curse of Oak Island and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Find out more about the series and watch full episodes on our site: https://histv.co/OakIsland Subscribe for more HISTORY: http://histv.co/SubscribeHistoryYT Check out exclusive HISTORY content: History Newsletter - https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook Twitter - https://histv.co/Twitter "The Curse of Oak Island" follows brothers Marty and Rick Lagina as they investigate the mystery of a buried treasure on Oak Island off the coast of Nova Scotia, Canada. HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.