A picture of Bar Harbor, Maine. In The Titan's Curse, Bar Harbor is the location of the fictional military school where Percy and his friends find Bianca and Nico di Angelo.
A picture of the Chrysler Building in New York City. In The Titan’s Curse, Percy and his pegasus Blackjack land on the building, and Percy has a conversation with Dionysus.
A picture of the interior lobby of the Empire State Building in New York City. Throughout the series, this is where Percy and his friends are able to meet with the gods.