baltimore, business, citylab, coffee, collection: pop mech pro, content-type: feature, contentid: 20dc1383-cc81-4e9c-a208-3afbabd8e951, displaytype: long form article, fitness, food, franchise: businessweek, health, journalists, locale: us, media, mental health, news, region: global, shorttitle: he discovered america’s greatest sunken treasure, tech, textbelowcenterfullbleed, web, wellness, working out, writers, page: graphic