they need to find a way to move the house to a county park on the other side of lake weir. >> carson ut it on a barge and float it across the lake?" i said, "you're out of your mind." >> a house on the lake, really? >> right. so that's what they decided to do. >> the decision means the notorious ma barker's final hideout will be preserved, though the plot on which that epic shootout occurred will be redeveloped... which raises the question, is there anything on this land also worth preserving? one group of floridians suspect there is, and they call carson about it. >> those types of locations are the types of places where the history causes all of us to want to go hunt. >> alan james is a member of the central florida metal detecting club, and they offer carson a deal -- let them search his land for artifacts, and they'll give any they find to the future ma barker museum. they shoot this video as they canvass the area. >> looky there -- .38-caliber casing. very cool. and they were shooting from here to that corner window. >> moments later, there's more. >> digging up some bullets, the