Wall Street features grand architecture and world-famous financial landmarks, including the New York Stock Exchange and the House of Morgan. The 18th-century Federal Hall commemorates the site where the first US Congress convened, and where George Washington was sworn in as president. More contemporary works include Santiago Calatrava's World Trade Center Oculus and One World Trade Center, the tallest skyscraper in the Western Hemisphere.
With New York's Financial District also connected to the September 11, 2001, terrorist attacks, many walking tours of the area include visits to the National September 11 Memorial. Tours typically also take visitors to such landmarks as the Charging Bull sculpture and the New York Stock Exchange. Some also include access to the One World Observatory. Fans of the hit musical "Hamilton" can go on a specialized walking tour of places associated with the Founding Father, like Trinity Church.