A picture of the Smithsonian National Museum of Natural History in Washington, D.C. In The Titan’s Curse, Percy overhears the antagonists’ plans in this museum.
A picture of the South Shore of Long Island, New York. This is the opening location of The Last Olympian where Percy is hanging out with Rachel Elizabeth Dare.
A picture of Times Square in New York City. In The Battle of the Labyrinth, Percy and his friends meet Rachel Elizabeth Dare in Times Square to ask for her help.
A picture of West Hollywood, California. In The Lightning Thief, West Hollywood is the location of the fictional recording studio that houses an entrance to the Underworld.