He's the city's very own Indiana Jones — collecting artifacts and treasures once buried beneath Boston's parks and streets. In his duties as City Archeologist, Joe Bagley reigns over 7,000 years of human history. From chamber pots uncovered during the Big Dig to cannonballs used in the Battle of Bunker Hill, Bagley shares some of the city's once-covered history. 

http://video.wgbh.org/video/2339223386/