[1] The 4.5-acre (18,000 m2) plaza, located on Forbes Avenue and Schenley Drive in the city's Oakland district, includes multiple gardens, food kiosks, public meeting spaces, a carousel, and a prominent 1.0-acre (4,000 m2) "Emerald Lawn" with free wireless internet access.
[2] The plaza is also surrounded by many prominent landmarks, including the University of Pittsburgh's Cathedral of Learning, Stephen Foster Memorial, Hillman Library, and Posvar Hall as well as the Carnegie Institute and its Dippy sculpture.
A national competition elicited 45 proposals for the site, and in June 1915, judges selected the plan of Horace Wells Sellers and H. Bartol Register, both of Philadelphia.
According to the judges, the winning design afforded "the simplest and least confusing plan of driveways; the circulation is good; and provision is made for automobile parking space.
It consisted of a wide driveway running from Forbes Avenue to the Schenley Bridge around a central oval, with grassy areas on either side planted with rows of London plane trees.