Philadelphia is known for its rich architectural history, showcasing a blend of styles from different eras. The city features iconic structures like the Liberty Bell and Independence Hall, which reflect the Colonial and Georgian styles. Additionally, the Philadelphia Museum of Art and the Franklin Institute highlight the influence of Beaux-Arts and Modernist designs. The skyline is marked by a variety of buildings, including the Comcast Center and the historic PSFS Building. Philadelphia's architecture also includes notable works by famous architects such as Louis Kahn and Robert Venturi, contributing to its diverse urban landscape and cultural significance.