history

The Preservation Alliance’s guided walking tours interpret the past, present, and future of the Philadelphia region as expressed through architecture, urban design, and social history. Join us on one of more than 30 tours to learn more about this city.

It’s Black History Month. Let’s reflect on environmentalists who revolutionized environmental justice. Not only does the sustainability movement face greenwashing, it is often whitewashed as well. Many Black environmental leaders rarely receive the same attention as non-Black scholars and activists....

Did you know that Philadelphia has over 10,000 acres of parks? The Wissahickon Valley Park is a solid 1,800 chunk of all that green space and draws about 1.1 million visits each year. No other area of Philadelphia has gone...