Leo Valdez

Camp Half-Blood

Camp Half-Blood

The Greek demigod training camp on the North Shore of Long Island. Central hub of the entire series, appearing in every book. Protected by magical borders.

Camp Jupiter

Camp Jupiter (Roman Demigod Camp)

The Roman demigod training camp located in the Berkeley Hills near the Caldecott Tunnel. Home to the Twelfth Legion Fulminata. Percy arrives here with no memory in The Son of Neptune.

Mount Diablo

The climactic battle against the giant Enceladus takes place on Mount Diablo. Jason, Piper, and Leo confront the giant here to rescue Piper's father.

Wolf House (Jack London State Historic Park)

Lupa's Wolf House

The ruins of Jack London's Wolf House serve as the lair of Lupa, the wolf goddess who trains Roman demigods. Hera is imprisoned here by Gaia's forces, and the final battle of The Lost Hero takes place at the ruins.

Acropolis of Athens

Acropolis (Site of the Gigantomachy)

The Acropolis and Parthenon are the site of the final battle against Gaia's giants. The demigods and gods unite here for the Gigantomachy, the climactic battle of the series.

Necromanteion of Acheron

The House of Hades (Doors of Death)

The ancient Oracle of the Dead in Epirus, Greece. The surface-side entrance to the Doors of Death. The demigods must close the Doors from both sides simultaneously.

Grand Canyon Skywalk

The opening scene of The Heroes of Olympus series. Jason, Piper, and Leo are on a school field trip to the Grand Canyon Skywalk when storm spirits (venti) attack and Coach Hedge reveals himself as a satyr.

Great Salt Lake

The Argo II passes over the Great Salt Lake area during the cross-country journey from Camp Jupiter to Rome.

Bologna

The Argo II stops near Bologna where the demigods encounter the Kerkopes, mischievous monkey-dwarf creatures who steal from them.

Venice

The Argo II crew explores Venice where they battle Katobleps (death-breathing cows) in the canals and encounter the demigod farmer-god Triptolemus.

Indianapolis Union Station / The Waystation

The Waystation

The historic Indianapolis Union Station serves as the hidden location of the Waystation, a magical safe house run by Emmie and Josephine (retired Hunters of Artemis).

Soldiers' and Sailors' Monument

Commodus's Underground Palace

The monument at the center of Indianapolis. In The Dark Prophecy, Emperor Commodus has built his underground palace and arena beneath it.

Indianapolis Zoo

Apollo and his allies visit the Indianapolis Zoo to rescue griffins being held captive. They confront Lityerses here.