If the Romans were in the Canary Islands and the Azores, that could also help explain why what appear to be Roman artifacts were found on Oak Island in Nova Scotia, namely a possible spear point, and more recently, a possible Roman coin (or half of one).
Also a stone road that could possibly be Roman in origin.
If the brothers were archaeologists instead of tv show hosts, I might buy that. :^)
Imagine, the most modern non-invasive and invasive techniques for studying subsurface details, and decades of professional excavation, has been defeated over and over again by alleged treasure buriers who appear to have used an old tree branch and some block and tackle.