RUBA Club is Philadelphia's 100-year-old speakeasy secret hiding in plain sight in Northern Liberties. Founded in 1914, this non-profit social club operates as a bi-level event space with a cabaret-style prohibition bar downstairs and a full theatrical stage upstairs. Walk in Thursday through Saturday after 10 PM and you're stepping into a building steeped in speakeasy history, but reimagined for modern nightlife. The space hosts everything from underground parties to live performances to private events, maintaining that exclusive members-club energy while welcoming guests who know where to find it. The historic bones of the place whisper of a different era, but the programming keeps it vital and current.