Craft Beer Express is so named for its focus on artisanal beers and the buses that transport suds aficionados from bar to bar. That's right: it's a bar crawl on wheels, and its founders are passionate about small-batch brews. They orchestrate hop-on, hop-off rides all over Philly, and participants can choose where to start their tour, whether it's a favorite hangout or a new spot they haven't tried.