Investigating the origin of the "Hooked X" symbol on historic artifacts and its ties to deciphering the mystery of the Holy Grail.
A theory about an ancient race of tiny people is explored.
Scott uses a submarine to search for pyramids that are allegedly at the bottom of a Wisconsin lake.
A mysterious stone with a potential link to the Bible is examined in the Season 2 premiere.
A massive rock wall in Texas is excavated and examined.
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