The tallest building in New York City is One World Trade Center, also known as the Freedom Tower. Completed in 2013, it stands at a height of 1,776 feet, a symbolic reference to the year of American independence. The building is part of the World Trade Center complex, situated in Lower Manhattan. It features 104 floors and serves as an office building with an observation deck offering stunning views of the city. One World Trade Center was built to replace the original Twin Towers destroyed during the September 11 attacks, emphasizing resilience and memorializing those lost.