Everyone knows about the great views from the Empire State Building or the Eiffel Tower, but you have to pay for those views.

Instead, try Center360 in New York City, located in the David N. Dinkins Municipal Building, for a free view of all five boroughs and the Manhattan skyline.

Horizon 22 in London is the highest free public viewing platform in Europe, providing a 300-degree panorama of the Thames, The Shard, and the city.

Duoyun Books in Shanghai, China, is situated on a high floor of a skyscraper and gets you sky-high views of the Huangpu River and the Lujiazui skyline.