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Photo: Joe Mabel, CC BY-SA 2.0 via Wikimedia Commons
The One World Trade Center skyscraper rises 1,776 feet above the street and is the tallest building in the United States (and for that matter, the Western Hemisphere). Despite its colossal size, its simple design allows it to blend remarkably well into the Lower Manhattan skyline. An observation deck on the top floors offers 360-degree views of the city.
One World Trade Center, also known as One WTC and the Freedom Tower, is the main building of the rebuilt World Trade Center complex in Lower Manhattan, New York City. Designed by David Childs of Skidmore, Owings & Merrill, One World Trade Center is the tallest building in the United States, the tallest building in the Western Hemisphere, and the seventh-tallest in the world. The supertall structure has the same name as the North Tower of the original World Trade Center, which was destroyed in the terrorist attacks of September 11, 2001. The skyscraper stands on the northwest corner of the 16-acre (6.5 ha) World Trade Center site, on the site of the original 6 World Trade Center. It is bounded by West Street to the west, Vesey Street to the north, Fulton Street to the south, and Washington Street to the east.
© OpenStreetMap contributors
World Trade Center site - note that the term 'Ground Zero' is never used by New Yorkers
On the site of the former World Trade Center towers, the memorial consists of two enormous waterfalls and reflecting pools set within the footprints of the twin towers, lined with bronze panels with the names of the nearly 3,000 victims of that fateful day inscribed. The surrounding plaza holds a grove of trees. The museum, which sits underground right next to the memorial, contains exhibits which explain the events of 9/11 and their aftermath, with remnants of the original towers and artifacts from that day. If you see a white rose on one of the names, it's because today is that victim's birthday.
Built in 1766, the chapel is an active part of the Parish of Trinity Church and is Manhattan's oldest public building in continuous use. It is the only remaining colonial church in New York City and was George Washington's place of worship after he was inaugurated as president. Since 2001, the chapel has been known for surviving the events of 9/11 without even a broken window - despite being across the street from the World Trade Center - and for its role as a place of refuge for the WTC recovery workers in the days that followed.
An Episcopalian (Anglican) church and parish was first established on this site in 1697 under charter by King William III. The present Neo-Gothic Revival church building (the third incarnation) dates from 1846 and remains a significant landmark within Downtown. The original burial ground at Trinity Church includes the graves and memorials of many historic figures, including Alexander Hamilton, William Bradford, Robert Fulton, and Albert Gallatin.
The original subway station, and quite a marvel to witness--the chandeliers and ornate tiling are a sharp contrast to the nearby Brooklyn Bridge-City Hall station. There's one catch, though: it's been closed since 1945. However, you can see it by staying on the downtown 6 train after its last stop Brooklyn Bridge-City Hall; it will turn around in the old station. This is the one place in the system where this is allowed, and the announcements reflect that. The Transit Museum (in Downtown Brooklyn) offers occasional tours as well, which allow you to actually walk around the station, but you must be a museum member and a US citizen, making this an impractical choice for most visitors.
On a triangular city block between Broadway, Park Row and Chambers Street sits City Hall, a gorgeous gleaming white building completed in 1812, which still hosts the mayor's office and the New York City Council chambers. The building itself is fenced off and only accessible by tour, but there is a lovely park surrounding the building, with plenty of shady trees and a pleasant fountain just to the south of the building. Just north of City Hall and on the same block is the Tweed Courthouse, a gorgeous government structure and the legacy of Tammany Hall boss William M. Tweed, who used the courthouse project to embezzle large sums of money from the city budget and was convicted in a courtroom in this building.