The second largest Tiffany mosaic in the world, this mural is composed of hundreds of thousands of glass tesserae in more than 260 color tones, weighing in excess of four tons.

Flanking the two main post office entrances on the 9th Street side are four granite reliefs by Edmond Amateis, titled “Mail Delivery: North, South, East, West.” The boldly carved figures symbolize the tireless efforts of postal workers at the geographic extremes of America.

Hand-in-hand in a grouping of three, William Dickey’s thirty-foot-tall stick figures appear to stride across Philadelphia’s South Street Pedestrian Bridge.

A tribute to Crispus Attucks, the first American to die in the cause of national independence, the 13 “whispering” bells represent the original 13 colonies.

Considered the world’s largest mobile, Alexander “Sandy” Calder’s White Cascade revolves slowly in the vast atrium of the Federal Reserve Bank.

A 12-ton sculpture at the Federal Reserve Bank building that thrusts from the ground at an implausible, gravity-defying angle.

Intrigued by the interaction of the cowboy and his horse, Frederic Remington found inspiration in the roughriders of the American West.

At night, from a distance, the bridge’s towers and curving suspension cables emerge with a blue phosphorescent glow.

Thirty years after the Association for Public Art originally commissioned the work in 1981, the Philadelphia Museum of Art and OLIN architects temporarily brought this Lines in Four Directions in Flowers to life.

This bronze monument, which honors an important Austrian composer was awarded to the United German Singers of Philadelphia at the 21st National Saengerfest.