Philadelphia is a city in eastern Pennsylvania.
In the Last Olympian, the Ares Cabin and the Apollo Cabin fight over ownership of a flying chariot obtained during a raid against Kronos's army in Philadelphia.
The Trials of Apollo
The Tower of Nero
As their train leaves Thirteenth Street Station, a subway station within the city, Apollo notices that the Amphisbaena that got on their train in Washington, D.C. is still on their train.
Trivia
- Philadelphia is known as the city of brotherly love.
- Philidelphia was home to the first continental congress during the American Revolution.