Guarantee your visit to the One World Observatory with a pre-reserved ticket, and spend the day on a guided tour of Lower Manhattan sights. This full-day excursion begins with a ferry ride to the Statue of Liberty and Ellis Island, then visit 9/11-related sites like St Paul’s Chapel, the Fireman’s Memorial and the reflecting pools of the National September 11 Memorial. End your tour at the One World Observatory on the 100th to 102nd floors of One World Trade Center.