383 Madison Avenue is an office building owned by JP Morgan Chase in New York City, located on Madison Avenue between 46th and 47th Streets. Formerly known as the Bear Stearns Building, it housed the world headquarters of the now-defunct investment bank from the building's completion until Bear's collapse and sale to JPMorgan Chase in 2008.

Designed by David Childs of Skidmore, Owings & Merrill LLP, it is 755 ft (230 m) tall with 47 floors. It was completed in 2001 and opened in 2002, at which time it was, by some reports, the 88th tallest building in the world. The building has approximately 110,000 rentable square meters (1,200,000 sq ft).

Carnegie Hall Tower is a 60-story skyscraper located on 57th Street in New York City. Part of a cluster of three very tall buildings (along with CitySpire Center and Metropolitan Tower), the tower was built in an architectural style in harmony with its western neighbor Carnegie Hall, a New York landmark.

The tower is 231 meters (757 ft) tall and was completed in 1991 following the design by Cesar Pelli first conceived in 1987. This design won an Honor Award from the American Institute of Architects in 1994.

One Worldwide Plaza is part of a three-building, mixed-use commercial and residential complex completed in 1989, in the New York City borough of Manhattan, known collectively as Worldwide Plaza. One Worldwide Plaza is a commercial office tower on Eighth Avenue. Two Worldwide Plaza is a residential condominium tower west of the center of the block, and Three Worldwide Plaza is a low-rise condominium residential building with street level stores on Ninth Avenue, to the west of the towers. Skidmore, Owings & Merrill was the designer for the office complex and the residential complex was designed by Frank Williams. The complex occupies an entire city block, bounded by Eighth Avenue, Ninth Avenue, 49th Street, and 50th Street. Located on the west side of Eighth Avenue, One Worldwide Plaza is built on the site of New York City's third Madison Square Garden. The 50th Street subway station is underneath.

The Woolworth Building, at 233 Broadway, Manhattan, New York City, designed by architect Cass Gilbert and completed in 1913, is one of the oldest skyscrapers in the United States. The land for the building was purchased by F. W. Woolworth on March 11, 1910, from the Trenor Luther Park Estate for two million dollars. More than a century after the start of its construction, it remains, at 241.4 metres (792 ft), one of the fifty tallest buildings in the United States as well as one of the twenty tallest buildings in New York City. It has been a National Historic Landmark since 1966, and a New York City landmark since 1983.