history

Saturday, February 1 from 10:00 am to 3:30 pm Weathering the Winter Winters were harsh in the 18th century, but even in cold and snowy weather there was still plenty of work to do around the farm.  Fires had to...

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.

Saturday, April 20th from 10:00 am to 3:30 pm Sheep Shearing Day Experience springtime on a colonial farm!  Watch our farmers shear our sheep to get them ready for the warm weather.  Then, follow the “wool to wardrobe” process as...

Becoming Weatherwise: A History of Climate Science in America is now open at the American Philosophical Society Library & Museum. It explores the questions and methods that have driven the study of weather and climate in the Western world from...

In April 2020, The Andalusia Foundation was awarded Level II accreditation by ArbNet and is now recognized in the Morton Register of Arboreta, a database of the world’s tree-focused public gardens. The ArbNet program is sponsored and coordinated by the...

Explore Andalusia Historic House & Gardens during guided house tours and self-guided garden tours every Monday-Wednesday, April 4 – November 2 (closed holidays). This National Historic Landmark home features one of the finest examples of Greek Revival architecture in the country and provides...

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....

Michael Weisberg is professor and chair of philosophy at the University of Pennsylvania. His research focuses on the philosophy of science, especially the role of idealization in modeling. His other research includes social and cultural evolutionary theory, the nature of...

Night of Lights projects historical images and films from the Chestnut Hill Conservancy’s archives through storefront windows and onto exterior walls. Neighboring buildings will be illuminated with colored lights as well. Night of Lights coincides with Chestnut Hill First Fridays,...