CNN —Visitors to New York City’s famed Flatiron Building may have noticed the landmark’s lesser-known neighbor — a narrow high-rise that would be modest if not for its extravagant gold dome. Now, the 5,777-square-foot penthouse that occupies the shimmering dome (and the two-story octagonal cupola it crowns) is on sale for $25 million. The five-bedroom, five-bathroom property sits atop 170 Fifth Avenue, which was built in 1898 and predates the Flatiron Building by four years. The building has been standing four years longer than its famous neighbor, the Flatiron Building. Alexander Alland, Jr. /Corbis Historical/Getty ImagesHaving once contained various businesses, including a publishing house, 170 Fifth Avenue was converted into a condominium at the turn of the millennium.

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Persons: Eitan Gamliely, ”, Lawrence Treglia, it’s, Treglia, Robert Maynicke, Maynicke, Jay Maisel, Alexander Alland, Gregory C, Carr, ” Treglia Organizations: CNN, Visitors, New York Times, Tiffany Locations: New York, York, preschools, Mozambique