The public voted to give the Saint Louis Zoo one of the STL 250 birthday cakes as part of the city’s 250th anniversary celebration, but the Flight Cage probably deserves one of its own.
Along with the St. Louis Art Museum, the aviary is a a relic of the 1904 World’s Fair — the exposition that sprawled across Forest Park in grand style to mark the centennial of the Louisiana Purchase.
The Smithsonian Institution constructed the cage to house its bird exhibit at the fair. It was believed to be the world’s largest aviary at the time — more than twice the length of a basketball court. Its dome reaches 50 feet into the sky.
(Photo: the Flight Cage under construction. Image courtesy of the Saint Louis Zoo)