Gray Line New York tours depart from 777 8th Ave. The company's double-decker buses feature an open upper deck providing excellent views of Manhattan landmarks. The hop-on, hop-off service allows passengers to visit top New York City attractions while enjoying a narrated tour. The Downtown Loop Tour includes stops at the Empire State Building, One World Trade Center, Rockefeller Center and Times Square, among others. A variety of tour routes are available as well as guided walking and bicycle tours.