It could stem from William Penn's original "Centre Square" — or have to do with the metropolis' shifting borders.
This centuries-old institution is the latest in our Secret Philly series.
The 235-pound minute hands have to be manually adjusted.
Great Italian at an Irish pub, Ethiopian at a Brewerytown dive and more hidden gems.
There's only one real piece of the famously quirky collector's work left in use for its original purpose: His other house in Merion Station.
Built in 1984 for $1.7 million, the space once boasted basketball and handball courts, too.
Henri David set up shop in this tucked-away rowhome-turned-store in 1990: 'It’s got to be handmade, or I’m not interested.'
In addition to books, this library has a secret basement that holds arts and architecture history, like the first renderings of the capitol building dome.
The structure, on the National Registry of Historic Places, sits on the oldest parcel of land owned continuously by African Americans in America.
That big retro board showing arrivals and departures is controlled by a computer running Windows 95.
There's a TARDIS backstage, Dr. Who fans. No, really.
Step inside, and step back in time to when rich businessmen moonlighted as collectors of prehistoric treasure.