Matty and the team look at how their biggest discoveries match up with the historical timeline of North America.

Matty Blake dives in head first to investigate under water points of interest off the shores of Oak Island, in search of clues that might help solve the 227 year old mystery.

Matty Blake "Drills Down" with the Oak Island team on the numerous clues connecting the secretive fraternity known as the Freemasons to the 227-year-old Oak Island mystery.