Question: What type of buildings are on 56 Leonard Street, and 520 Park Avenue in New York City?
Context: The Park Avenue Tunnel, also called the Murray Hill Tunnel, is a 1600 ft tunnel that passes under seven blocks of Park Avenue in Murray Hill, in the New York City borough of Manhattan.  Traffic currently goes northbound from 33rd Street toward the Park Avenue Viaduct.  The tunnel is under the jurisdiction of the New York City Department of Transportation, and carries one lane of northbound car traffic from East 33rd Street to East 40th Street; from 40th Street north, traffic must follow the Park Avenue Viaduct around Grand Central Terminal to 46th Street.  The vertical clearance is 8 ft . The Former New York Life Insurance Company Building, also known as the Clock Tower Building, was built as an office building located at 346 Broadway (with a secondary address of 108 Leonard Street) between Catherine Lane and Leonard Street, in Manhattan, New York City.  Constructed in two stages, from 1868 to 1870 and from 1894 to 1899, it is a New York City Landmark and is listed on the U.S. National Register of Historic Places. 245 Park Avenue (formerly American Tobacco Company Building, American Brands Building and Bear Stearns Building) is a 648-ft (198 m) tall skyscraper in New York City, New York.  It was completed in 1967 and has 48 floors (1.7 million square feet).  Shreve, Lamb and Harmon designed the building.  The Building Owners and Managers Association awarded the 2000/2001 Pinnacle Award to 245 Park Avenue.  The site used to be occupied by the second Grand Central Palace exhibition hall, which was demolished in 1964 to make way for 245 Park Avenue. The Church of St. Ignatius of Loyola is a Roman Catholic parish church located on the Upper East Side of Manhattan, New York City, administered by the Society of Jesus (Jesuits).  The parish is under the authority of the Archdiocese of New York, and was established in 1851 as St. Lawrence O'Toole's Church.  In 1898, permission to change the patron saint of the parish from St. Lawrence O’Toole to St. Ignatius of Loyola was granted by Rome.  The address is 980 Park Avenue, New York City, New York 10028.  The church on the southwest corner of Park Avenue and 84th Street is part of a Jesuit complex on the block that includes Wallace Hall, the parish hall, beneath the church, the rectory at the midblock location on Park Avenue, the grade school of St. Ignatius's School on the north midblock location of 84th Street behind the church and the high school of Loyola School (also 980 Park Avenue) at the northwest corner of Park Avenue and 83rd Street.  In addition, another Jesuit high school, Regis High School (55 E 84th Street), occupies the midblock location on the north side of 84th Street.  The church was added to the National Register of Historic Places on July 24, 1980. 520 Park Avenue is an American skyscraper under construction on East 60th Street west of Park Avenue in Manhattan, New York City.  It was designed by Robert A.M. Stern Architects.  The building will cost US$450 million to build.  The tower will be completed by 2017.  It is a Zeckendorf development. 56 Leonard Street is an 821 ft tall, 57-story skyscraper on Leonard Street in Tribeca, New York City, United States.  Herzog & de Meuron describes the building as "houses stacked in the sky."  It is the tallest structure in Tribeca. Pershing Square, in Manhattan, New York City, is the intersection of Park Avenue and 42nd Street in front of Grand Central Terminal.  The main roadway of Park Avenue crosses over 42nd Street on the Park Avenue Viaduct, also known as the Pershing Square Viaduct, but two ramps, northbound and southbound, connect the two streets. 655 Park Avenue is a Georgian-style co-op residential building on Manhattan's Upper East Side, located on Park Avenue between 67th Street and 68th Street, adjacent to the Park Avenue Armory.  It was developed in 1924 by Dwight P. Robinson & Company.  The building at 655 Park Avenue was designed by architects James Edwin Ruthven Carpenter, Jr., often referred to by the initials "J.E.R. Carpenter", and Mott B. Schmidt.  Carpenter is considered the leading architect for luxury residential high-rise buildings in New York City in the early 1900s, while Schmidt is known for his buildings in the American Georgian Classical style, including Sutton Place and houses for New York City's society figures and business elite. Varick Street runs north-south primarily in the Hudson Square district of Lower Manhattan in New York City.  Varick Street's northern terminus is in the West Village, where it is a continuation of Seventh Avenue South south of Clarkson Street.  It continues downtown through Hudson Square and TriBeCa until it reaches Leonard Street, where it merges with West Broadway.  Motor traffic is one-way southbound.  Major east-west streets crossed include Houston Street and Canal Street.  Approaching Broome Street, the two rightmost lanes of Varick Street are reserved for traffic entering the Holland Tunnel, where backups often occur at rush hour. Park Avenue is a wide New York City boulevard which carries north and southbound traffic in the borough of Manhattan.  For most of the road's length in Manhattan, it runs parallel to Madison Avenue to the west and Lexington Avenue to the east.  Park Avenue's entire length was formerly called Fourth Avenue; the title still applies to the section between the Bowery and 14th Street.  Meanwhile, the section between 14th and 17th Street is called Union Square East, and between 17th and 32nd Streets, the name Park Avenue South is used.
Answer: skyscraper