Woolworth Building the same title published in 1916. It remained the tallest building in the world until the construction of 40 Wall Street and the Chrysler Building, also in New York City, in 1930; an observation deck on the 57th floor attracted visitors until 1941. The building's tower, flush with the main frontage on Broadway, joins an office block base with a narrow interior court for light. The exterior decoration was cast in limestone-colored, glazed architectural terra-cotta panels. Strongly articulated piers, carried—without interrupting cornices—right to the pyramidal cap, give the building its upward thrust. The Gothic detailing concentrated at the highly visible
Empire State Building Mast) in 1954, and the tallest freestanding structure in the world until the completion of the Ostankino Tower in 1967. An early-1970s proposal to dismantle the spire and replace it with an additional 11 floors, which would have brought the building's height to 1,494 feet (455 m) and made it once again the world's tallest at the time, was considered but ultimately rejected. With the destruction of the World Trade Center in the September 11 attacks, the Empire State Building again became the tallest building in New York City, and the second-tallest building in the Americas, surpassed only by the