Memories from history's wild imagination, 50 years later.
Where public payrolls still don't reflect the local population.
Dating back to the 1890s.
See the first-ever map of the city, and how it evolved over a century.
A peek at how the city's changed on its 284th birthday.
If Alice Austen weren't a real person, some novelist might have had to invent her.
In October 1975, only the whims of a union leader separated the city from default.
Telling encoded stories of politics, natural disasters and social movements.
Corporate real estate data offer unexpectedly riveting views into the past.
How clubs and community choirs may have contributed to the rise of Nazi Germany.
In honor of $59 million worth of repairs following Superstorm Sandy, a look back at the initial excitement surrounding America's most famous statue.
"This memorial is less for Abraham Lincoln than for those of us today and for those who follow after."
History's greatest journeys, now available in KML files.
In the first decades of the 20th century, if you died in a city, you may have traveled toward your final resting place via public transit.
The city says it can't afford to maintain them. Can private citizens make up the difference?
A documentary details the story of Annie "Londonderry" Kopchovsky, who rode around the world on two wheels in 15 months.
In short: The books should be more prominent than ever.
The Pennsylvania Railroad isn't coming through that tunnel — so how come we keep going through its doors?
Linguists are still trying to understand the surprising evolution of how Philadelphians speak.