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.
A picture of the Gateway Arch in St. Louis, Missouri. In The Lightning Thief, this is where Percy encounters a monster and jumps from the top of the arch to the water below.
A picture of the Metropolitan Museum of Art in New York City. This is the opening location of The Lightning Thief and where Percy has his first encounter with a Fury.
A picture of Montauk Beach in Long Island. In The Lightning Thief, this is where Percy's mom met Poseidon and where she continues to rent a beach house to take Percy to during the summer.