United States Custom House/now Alexander Hamilton Custom House and National Museum of the American Indian and Federal Bankruptcy Court Architect: Cass Gilbert Completed: 1907 The Custom House was a fundamental element of the economic and architectural landscape of Lower Manhattan. Today it is the National Museum of the American Indian, fittingly located on the site where the Dutch purchased the island of Manhattan in 1626.

2 Broadway Architect: Emery Roth & Sons, 1959; redesign of curtain wall, Skidmore, Owings & Merrill, 1999 2 Broadway replaced a landmark of the nineteenth-century city, George B. Post's New York Produce Exchange..

11 Broadway - Bowling Green Offices Architect: William James Audsley and George Ashdown Audsley Completed: 1898 Built as a speculative office building, this 17-story steel skeleton structure was the largest in Manhattan before the turn of the century.

Cunard Building Architect: Benjamin Wistar Morris, with Carrère and Hastings. Completed: 1921. This massive 23-story office block was erected as the headquarters of the great Cunard Steamship Line, a dominant force of the great passenger and shipping lines in the days before air travel.

26 Broadway - Standard Oil Building Architects: Carrère and Hastings, with Shreve, Lamb & Blake. Built in phases beginning in 1920, final phase completed 1928. This elegant limestone monument was the headquarters of Standard Oil of New Jersey, successor of John D. Rockefeller's Standard Oil Trust, which was broken up into smaller components under anti-trust legislation in 1911.

29 Broadway Architect: Sloan & Robertson Completed: 1931 In 1930, the slender Art Deco tower of 29 Broadway replaced one of New York's early skeleton-framed office buildings, the 12-story Columbia Building of 1890. Sloan & Robertson, architects of the Chanin and Graybar buildings near Grand Central Terminal, created a dramatic Art Deco skyscraper.

50 Broadway Architect: H. Craig Severance Completed: 1927 Site of the Tower Building Architect: Bradford Lee Gilbert Completed: 1889, demolished 1914 The address 50 Broadway is famous in skyscraper history as the site of the Tower Building, the first building in New York, and arguably in the world, to be constructed with iron framing.

61 Broadway - Adams Express Building Architect: Francis H. Kimball Completed: 1916 Rising 33-stories without setbacks, the Adams Express Building once dominated the view from ships entering New York Bay by virtue of its height and white glazed southern façade.

65 Broadway - American Express Building Architect: Renwick, Aspinwall & Tucker Completed: 1917 Originally the American Railway Express Company Building, this building remained the headquarters of the American Express Company until 1975. It now is the home of J.J. Kenny/Standard and Poors.

71 Broadway - Empire Building Architect: Kimball and Thompson Completed: 1898 One of the best of New York's extant early skyscrapers, the Empire Building, designed by Francis H. Kimball, rose on the site of a five-story commercial block of the same name built in 1848.

1 Wall Street - Irving Trust Building/now Bank of New York Architect: Ralph Walker of Voorhees, Gmelin & Walker Completed: 1931 One Wall Street was originally built as the headquarters for the Irving Trust, which was acquired by the building's present owner, the Bank of New York, in 1992.

2 Rector Street -- United States Express Company Building Architect: Clinton & Russell Completed: 1907 An elaborate neo-Renaissance tower which dominates Trinity Churchyard, 2 Rector Street sports highly ornate terra-cotta cladding at the base and on the upper stories.

86 Trinity Place - American Stock Exchange Architect: Starrett & Van Vleck Completed: 1921, façade replaced 1929. The American Stock Exchange is housed in a distinctive Art Deco granite building facing Trinity Churchyard.

Trinity Episcopal Church Architect: Richard Upjohn Completed: 1846 Although Trinity Church now appears toy-like, nestled among glass and steel giants, its spire was once the highest point on the Manhattan skyline

100 Broadway - American Surety Building/onetime Bank of Tokyo Architect: Bruce Price; addition: Herman Lee Meader Completed: 1896; addition, 1922. Interior Renovation: Nobutaka Ashihara and Kajima International Inc., 1975 Completed in 1896, at 312 feet, the 22-story American Surety Building towered over surrounding structures.

20 Broadway, Equitable Building Architect: Pierce Anderson of Ernest Graham & Associates Completed: 1915 There were several successive Equitable Buildings on this site as the powerful insurance company headquarters expanded over the last decades of the nineteenth century to fill the entire block framed by Broadway, Pine, Nassau, and Cedar Streets.

111 and 115 Broadway - Trinity and U.S. Realty Company Buildings Architect: Francis Hatch Kimball Completed: 1905 and 1907 These twin Gothic towers, completed two years apart, are separated by the narrow canyon of Thames Street. Their roofs are connected by a small wrought iron- bridge.

140 Broadway, Marine Midland Building Architect: Gordon Bunshaft of Skidmore, Owings, & Merrill Completed: 1967 One of the most critically acclaimed of the city's International Style towers, 140 Broadway is a simple 52-story, 677-foot tall prism of metal and glass.

1 Liberty Plaza Architect: Roy Allen of Skidmore, Owings & Merrill Completed: 1974 The dark mass of 53-story One Liberty Plaza was an unusual departure from the glass curtain-wall typical of International Style office buildings.

55 Liberty Street - Liberty Tower Architect: Henry Ives Cobb Completed 1910 Rising 33 stories on a site only sixty-eight feet by eighty-two feet, Liberty Tower was a prominent feature of the early twentieth- century skyline.

One Chase Manhattan Plaza - Chase Manhattan Bank Building Architect: Gordon Bunshaft of Skidmore, Owings, & Merrill Completed: 1962 Downtown's first exemplar of the International Style contrasts dramatically with the sturdy brick and stone of its neighbors. Its 1960s architecture is stripped of historical references and ornament, and its grid of glass and aluminum mirror sunlight down to street level.

33 Liberty Street -- The Federal Reserve Bank of New York Architect: York & Sawyer. Completed: 1924; extension, 1935 If 1 CM Plaza typifies gossamer modernity, its neighbor represents the weighty historicism in vogue in the days before the Stock Market Crash of 1929.

Corbin Building Architect: Francis Hatch Kimball Completed: 1889 The Corbin Building is a wonderful, rare surviving example of late nineteenth century commercial architecture. While hardly qualifying as a skyscraper today, at nine stories the building towered over its neighbors in 1889.

195 Broadway - AT\&T Building/now the Kalikow Building Architect: William Welles Bosworth Completed: 1916, extension completed: 1924. Headquarters of the American Telephone and Telegraph Company, the mighty AT & T, and erected on the site of the early highrise headquarters of the Western Union Building (1874), 195 Broadway is an important address in the history of business communication.

St. Paul's Episcopal Chapel Architect: unknown; tower, James C. Lawrence Completed: 1766; porch 1768; tower 1794 Built as a chapel of ease for the convenience of residents of the northern reaches of eighteenth century New York, St. Paul's is the only surviving building Downtown from the pre- Revolutionary period.