The Philadelphia Society for the Preservation of Landmarks is a nonprofit organization dedicated to protecting and promoting the historic architecture and cultural heritage of Philadelphia. Founded in 1931, it focuses on preserving significant buildings and sites that reflect the city's rich history. The society works to raise awareness about the importance of these landmarks and advocates for their conservation. In addition to preservation efforts, the society also engages in educational initiatives, offering programs and resources to the public. It collaborates with local communities, government agencies, and other organizations to ensure that Philadelphia's historical sites are maintained for future generations to appreciate and enjoy.