20th and Market has seen its share of change. Once anchored by the mighty Mastbaum movie palace, the block laid vacant for 30 years until two financial district towers rose in its place giving birth to Commerce Square. Jennifer Rodgers lines up the ghosts of Philly past with present day in her new series, Then and Now

Last year, Hidden City asked who moved the Newkirk Viaduct Monument. And since then, we’ve learned that the 176-year-old sculpture might be incorporated into park plans for Bartram’s Mile—at its original site at the foot of the Grays Ferry Bridge over the Schuylkill River. Just upstream, an even older monument once commemorated the first bridge at Market Street. The Shadow looks into what ever happened to it

With an assist from the Commonwealth, the Schuykill River Development Corporation flipped the upgraded switch to relight the bridges over the Schuylkill River in Center City on September 26th. Brad Maule brings his camera and tripod for a stroll along the banks to bask in their glow

The Marketplace Design Center at 2400 Market Street has been for sale since earlier this year. Sources tell Hidden City Philadelphia that it’s found a new buyer in Bart Blatstein

The workhorse circa 1795 building had fallen into disrepair. Harry K digs into the encyclopedia for the story

Historic Commission committee to hear case today as Lit Brothers building owner seeks to install contemporary digital version of the building’s historic signage

As the first large project breaks ground in 2012, Drexel finds itself in love with all things urban

The classic PTC cars running on Market Street in San Francisco aren’t the only SF-Philly transit connection–almost 130 years ago SF was the first city to install a cable car system, designed by Philadelphian Eleazer Gardner