Founded as William Penn's "Holy Experiment," Philadelphia has a centuries-long history of fostering and constructing prominent houses of worship throughout the city. In recent...

Dataset is a full automated review of every property account intended to produce thorough independent analysis. This dataset along with existing published mapping datasets at...

An online database of architectural and historical information and images for 35,000+ structures, 110,000 images+ images and maps and biographies of 5,000+ architects in the 5...