The Berlin Wall Memorial Site logged only 500,000 visitors in 2013, though extra crowds arrived in November 2014 for the 25 anniversary of its fall. It takes extra effort to reach Yellowstone National Park (3.2 million) or the Terracotta Army in Xi'an, China (4.8 million).
It hosts military parades, cultural and political events, concerts, exhibitions, fairs, and public art installations.
Pedestrian-only areas with café tables introduced a few years ago have made it easier and more appealing to hang out here.
Times Square can even be a convenient, if chaotic, base, thanks to hotels at every price point and easy access to public transportation: subways, rails, buses, and more yellow taxis than you can count.
International tourist arrivals increased by five percent in 2013, according to the UNWTO.
That translates to a record of more than one billion trips.