The longtime leader in community development and preservation talks about the latest edition of his Philadelphia architectural guide with Hidden City co-editor Nathaniel Popkin

As it rises out of the construction site at 18th and Arch Streets, the Comcast Innovation & Technology Center will lead the Philly skyline into the future as the city’s new tallest building. Last night its architect, Lord Norman Foster, spoke of his process and influences as he accepted the 2015 Louis I. Kahn Memorial Award

Flags can be a powerful way of strengthening civic pride, but Philly’s flag needs a new design in order to capture the public’s imagination, argues Michael Burlando

Hidden City meets up with Len Davidson, who seeks a permanent home for his large and impressive collection of vintage neon signs, mostly made here for Philly businesses