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The Washington Street Plaza was a pedestrian plaza along Washington Street between Carlisle and Albany Streets on the west side of the Financial District in Lower Manhattan. It opened on May 23, 2013.With an epoxy gravel placed over the street, it contained granite blocks, red chairs, tables, and potted plants.Its construction was delayed for several years and debated within Manhattan Community Board 1, although it was ultimately approved by the executive committee. The Alliance for Downtown New York, the Business Improvement District led by Elizabeth H. Berger, argued that the plaza would, according to the Downtown Express, "improve pedestrian mobility" around the September 11 Memorial and allow the Alliance to install a tourist kiosk. Referring to the Alliance's report "Five Principles for Greenwich South," which advocated for the plaza, she said: “One of the things that we looked at was how to capitalize on the old-world geometry of the street plan to create a sense of destination and gathering places.... There’ll be an attractive space not only for visitors but for people who live and work in the area to congregate.” Some residents believed, however, that "it would disrupt traffic and complicate an already crowded area."The administration of former Mayor Michael Bloomberg, through Jeffrey Mandel, an adviser to Deputy Mayor Robert K. Steel, also advanced that the plaza would benefit residents of the Downtown neighborhood while helping to mitigate foot traffic from tourists. He said, "[the plaza] pushes a couple of big dominos forward by creating a place that's not just attractive and desirable for the folks down here but that has beneficial impacts in the way of mitigation."The plaza's construction was delayed by Hurricane Sandy. Representing the exiting Bloomberg administration, Mandel said, "We think it's important to make our best efforts in our last hours in the neighborhood."Activists for the recognition of the history of the Lower West Side and the Little Syria neighborhood have argued that the plaza would be an ideal place for historical signage. In anticipation of its construction, they pursued a resolution in support of signage from Community Board 1.

130 Cedar Street, formerly known as the Green Exchange Building, is a mid-rise building in the Financial District of Lower Manhattan, New York City. It is located between Cedar Street and Albany Street running along Washington Street, sharing a block with 90 West Street. It was built in 1931 and was designed by Renwick, Aspinwall & Guard.

109 Washington Street is a five-story tenement in the Financial District of Manhattan in New York City, within the area once known as Little Syria. Due to demolitions connected to the construction of the Brooklyn–Battery Tunnel and the World Trade Center, it stands as the last tenement on a portion of lower Washington Street that has been estimated by Kate Reggev to have contained around 50 tenements. After September 11, 2001, its proximity to the World Trade Center site made it the subject of some media attention, including a nationally syndicated radio story about the experiences of its residents on the day of the attack. In recent years, community officials, activists, and preservationists have advocated for its designation as a landmark as part of a mini-historical district with the connected buildings of St. George's Syrian Catholic Church and the Downtown Community House.

The Deutsche Bank Building (formerly Bankers Trust Plaza) was a 39-story office building located at 130 Liberty Street in Manhattan, New York City, adjacent to the World Trade Center site. The building opened in 1974 and closed following the September 11 attacks in 2001, due to contamination that spread from the collapse of the South Tower. The structure was designed by Shreve, Lamb & Harmon, which also designed the Empire State Building. The building was purchased by Deutsche Bank when it acquired Bankers Trust in 1998. It was part of the skyline of Lower Manhattan, and was demolished between 2007 and 2011. 5 World Trade Center will eventually replace the building, expanding the ground space on which the World Trade Center stands, as this land was not part of the original World Trade Center.

The Downtown Community House at 105-107 Washington Street is a six-story, five-bay red brick building that is among the last vestiges of the Lower West Side of Manhattan's former life as an ethnic neighborhood known as “Little Syria.” From the time of its establishment, the Bowling Green Neighborhood Association, housed in the Downtown Community House beginning in 1926, was a pioneering organization that served the local immigrant population as a settlement house and continued to provide services for the area well after the community house became defunct. Built in 1925 with philanthropic funds from William H. Childs, the founder of the Bon Ami household cleaner company, the Downtown Community House was designed by John F. Jackson, architect of over 70 Y.M.C.A. buildings and community centers, and through its Colonial Revival style speaks to an underlying desire for the neighborhood's immigrant population to become Americanized and associate themselves with the country's foundations. In recent years, a collection of historic preservationists and Arab-American activists have lobbied the Landmarks Preservation Commission and its Chairman Robert Tierney to designate the building as a city landmark.

St. George's Syrian Catholic Church is a former church located at 103 Washington Street between Rector Street and Carlisle Street in the Financial District of Manhattan, New York City. The church is the last physical reminder of the Syrian American and Lebanese American community that once lived in Little Syria.

The St. Nicholas Greek Orthodox Church, officially the St. Nicholas Greek Orthodox Church and National Shrine, is a church and shrine under construction in the World Trade Center in Manhattan, New York City. It is administered by the Greek Orthodox Archdiocese of America and is being developed by the Port Authority of New York and New Jersey, based on the design of Spanish architect Santiago Calatrava. The church is set to be completed in April 2022, coinciding with the Orthodox Holy Week, and will be consecrated July 4, 2022.St. Nicholas will replace the original church of the same name that was destroyed during the September 11 attacks in 2001—the only house of worship, and only building outside the original World Trade Center complex, to be completely destroyed. The new church is located in Liberty Park, overlooking the National September 11 Memorial & Museum. Its architecture draws from Byzantine influences, namely the Church of the Savior and the Hagia Sophia in Istanbul, as well as from the Parthenon in Athens. In addition to serving as a Greek Orthodox parish, St. Nicholas is officially planned as a "House of Prayer for all people" that will function as a national shrine and community center, incorporating a secular bereavement space, social hall, and various educational and interfaith programs.Initially scheduled to open in 2016, St. Nicholas' rebuilding effort was beset by delays, cost overruns, and claims of financial impropriety. In 2019, the nonprofit Friends of St. Nicholas was founded to help complete the project, which continued under the auspices of the newly elected Archbishop Elpidophoros. The church was partially opened for a memorial service commemorating the 20th anniversary of the September 11 attacks.

125 Greenwich Street (also known as 22 Thames Street) is a residential skyscraper in construction in the Financial District in Lower Manhattan, New York City. The tower is two blocks south of One World Trade Center on the site of the former Western Electric building, and directly across from the site of the demolished Deutsche Bank Building. The building was designed by architect Rafael Viñoly, with interiors designed by British duo March & White. If completed, the tower would stand at a height of 912 feet (278 m), making it the 20th tallest building in the city.

90 West Street (previously known as the West Street Building and the Brady Building) is a 23-story residential building in the Financial District of Lower Manhattan in New York City. Located on West Street just south of the World Trade Center, the building was designed by Cass Gilbert, with Gunvald Aus and Burt Harrison as structural engineers, and John Peirce as general contractor. It was erected for the West Street Improvement Corporation, led by transportation magnate Howard Carroll. The Gothic styling and ornamentation of 90 West Street served to emphasize its height. The design combined elements of the three-section "classical column" arrangement of 19th-century buildings with the "romantic tower" of Gilbert's later structures such as the Woolworth Building. Its waterfront site necessitated the installation of pilings deep into the ground. Other features included a terracotta facade with granite at the two-story base, as well as terracotta fireproofing inside the building. The building's design was widely praised when it was originally completed. The building is a New York City designated landmark and listed on the National Register of Historic Places. 90 West Street was built in 1905–1907 as an office building called the West Street Building. "The Garret Restaurant", on the structure's top floors, was marketed as the highest restaurant in the world. The building underwent numerous ownership changes in the 20th century, and was known after its long-term owner, Brady Security and Realty Corporation, during the middle of the century. Following the collapse of the adjacent World Trade Center in the September 11, 2001, attacks, the West Street Building was severely damaged. The building was subsequently extensively refurbished and it reopened as a residential building called 90 West in 2005.

The American Stock Exchange Building, formerly known as the New York Curb Exchange Building and also known as 86 Trinity Place or 123 Greenwich Street, is the former headquarters of the American Stock Exchange. Designed in two sections by Starrett & van Vleck, it is located between Greenwich Street and Trinity Place in the Financial District of Lower Manhattan in New York City, with its main entrance at Trinity Place. The building represents a link to the historical practices of stock trading outside the strictures of the New York Stock Exchange (NYSE), which took place outdoors "on the curb" prior to the construction of the structure. The building was originally erected in 1921, thus improving the stature of the New York Curb Exchange, which had been a curbside exchange. The structure was enlarged between 1929 and 1931 following an increase in trading volume. The New York Curb Exchange was renamed the American Stock Exchange in 1953, and the American Stock Exchange moved out after merging with the NYSE in 2008. The structure was subsequently purchased by developers who planned to convert the building into a hotel. The original structure, facing Greenwich Street to the west, is designed in the Renaissance Revival style, with a set of large arched windows providing light to the former trading floor. The eastern expansion, on Trinity Place to the east, is designed in the Art Deco style as a 14-story building. The expanded structure contained offices and conference rooms, as well as an elaborately decorated facade with a central entrance and reliefs signifying the building's use. The American Stock Exchange Building was designated a National Historic Landmark in 1978 and was designated a city landmark by the New York City Landmarks Preservation Commission in 2012. It is also a contributing property to the Wall Street Historic District, a NRHP district created in 2007.

America's Response Monument, subtitled De Oppresso Liber, is a life-and-a-half scale bronze statue in Liberty Park overlooking the National September 11 Memorial & Museum in New York City. Unofficially known as the Horse Soldier Statue, it is the first publicly accessible monument dedicated to the United States Special Forces. It was also the first monument near Ground Zero to recognize heroes of the September 11 terrorist attacks.The statue was conceived by sculptor Douwe Blumberg and first sold in 2003 as a small-scale, 18 inches (460 mm) version. In April 2011, an anonymous group of Wall Street bankers who lost friends in the 9/11 attacks commissioned a large, 16 feet (4.9 m) tall version. It was dedicated on Veteran's Day, November 11, 2011, in a ceremony led by Vice President Joe Biden and Lt. Gen. John Mulholland, commander of Task Force Dagger and U.S. Army Special Operations Command during Operation Enduring Freedom.The statue commemorates the service members of America's Special Operations forces and their response to 9/11, including those who fought during the first stages of the Afghanistan war. This operation led to the initial defeat of the Taliban in Afghanistan, although the Taliban would ultimately be victorious following their 20-year-long war with the United States.

The New York Evening Post Building, also known as the New York Post Building or the Post Towers, is a historic commercial building located in Lower Manhattan, New York City, New York. The building was designed by architect Horace Trumbauer and built in 1926. The Post Building is a 17-story, Art Deco style steel frame and masonry building with abundant terra cotta and Guastavino tile embellishments. The building has setbacks beginning at the seventh floor and a "U" shaped light well. The New York Evening Post previously occupied the Old New York Evening Post Building from 1906 to 1926. It occupied this building, which is now an apartment building, until 1970.: 3, 5, 8  The building was added to the National Register of Historic Places on September 22, 2000.