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Gateway Arch

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The Gateway Arch (also known as the St. Louis Arch) is a national monument in Missouri, USA. The nation’s tallest monument at 630 feet, the Gateway Arch has beckoned visitors for more than 40 years with its iconic, awe-inspiring shape. The vision of renowned architect Eero Saarinen, the Gateway Arch commemorates Thomas Jefferson and St. Louis’ role in the westward expansion of the United States of America.

Percy Jackson and the Olympians

The Lightning Thief

While on their quest, Annabeth insists upon stopping at the Gateway Arch, because of the architecture. The group visits the underground museum, where Grover starts to feel that something is wrong. After there is no room in one of the elevators back down, Percy stays behind to take the next one. While alone he discovers that one of the other visitors was Echidna, the mother of monsters. Echidna was accompanied by her dog revealed to be the Chimera. After a short battle with no victory, Percy falls into the Mississippi River, where a messenger of Poseidon tells him to go to Santa Monica Beach.

The Last Olympian

The Gateway Arch is seen once again while Typhon heads across the United States to the Empire State Building. This was seen on Annabeth's shield.

Percy in Mississippi River

Percy after falling from the arch.

The Heroes of Olympus

The Son of Neptune

After Frank and Hazel go to find Percy who had fallen off a glacier, he was sitting on a piece of ice waiting for them to return. When they make a comment about how far he fell, he claims it was nothing, and he fell at least twice as far from the St. Louis Arch, which shocked both Hazel and Frank.


Locations (CHB)
Magical Locations: Olympus | Camp Half-Blood | Camp Jupiter | Aeolia | C.C.'s Spa and Resort | Daedalus' Workshop | Lotus Hotel and Casino | Mount Othrys | Ogygia | Pan's Cave | Sea of Monsters | The Labyrinth | Tartarus
Cities, States, and Towns: Alaska | Bar Harbor | Chicago | Detroit | Gila Claw | Jamestown | Long Island | Manhattan | New York City | Quebec | San Francisco | Vancouver | Westport
Other Locations: Aunty Em's Gnome Emporium | Crusty's Water Bed Palace | Empire State Building | Gateway Arch | Grand Canyon | Greece | Hoover Dam | Junkyard of the Gods | Mount Saint Helens | Polyphemus' Island | ROFL | Rome | Triple G Ranch | Waterland | Mount Etna | Mount Diablo | Mount Tamalpais | Pikes Peak | Apennine Mountains

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