How Dock Street, the oldest craft brewery in Philadelphia, has survived for 40 years

Before Rosemarie Certo co-founded Dock Street Brewing Co., she was a beer drinker. And when she searched for American brews in the 1980s, all she found was "a sea of bland beers."

The stuff she'd tried on trips to Europe – back when you could travel England or Germany for "$5 a day," she remembered – tasted much better. Her favorite was Bass Pale Ale, a classic British beer known for its full-bodied, nutty profile. Her then-husband Jeffrey Ware preferred the crisp Czech brew Pilsner Urquell. So when he brought a brewing kit home one day, the couple landed on the idea of bringing the same level of quality and character they'd found abroad to Philadelphia. MORE: Look inside Calder Gardens, the city's new art space that challenges what museums can be

Their resulting brainchild, Dock Stre