Federal Hall was the first U.S. capitol building and George Washington was inaugurated there in 1789. But, the current building is a customs house built in 1842. The site is near the stock exchange.
Alexander Hamilton's grave is in Trinity Church's churchyard, also near the stock exchange.
U.S. Grant's tomb is near Columbia University.
The Registry Room on Ellis Island, where immigrants were processed from 1900 to 1924.
The Dakota apartment building, John Lennon's home.