The 30-foot "Chronos" portal is a promotional advertisement that will be erected at one of the city's most iconic landmarks.

(Matt Rourke/AP) PHILADELPHIA—Vice President Kamala Harris will close out her presidential campaign on the steps at the Philadelphia Art Museum, where Sylvester Stallone's "Rocky" was shot.

Modeled after the Parthenon in Athens, the Philadelphia Museum of Art is one of the most recognized buildings in Philadelphia. Once you've made it to the top of the "Rocky Stairs," take a breath ...