Perhaps best known for what's no longer inside—the world's first commercial passenger elevator, invented by Elisha Graves Otis—the building's exterior is still well worth a long look. Nicknamed the Parthenon of Cast Iron, this five-story, Venetian palazzo-style structure was built in 1857 to house department-store merchant E. V. Haughwout's china, silver, and glassware store. Each window is framed by Corinthian columns and rounded arches.
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