Top photos from 28 spots for Observation Deck
56th floor of Tour Montparnasse (indoors 1 floor below), Paris
Vancouver Lookout
View from Triangle Tower in Cologne
56th floor of Tour Montparnasse (indoors 1 floor below), Paris
Southern view from John Hancock Center, Chicago
56th floor of Tour Montparnasse (indoors 1 floor below), Paris
Panoramic terrace of Tour Montparnasse, Paris
56th floor of Tour Montparnasse (indoors 1 floor below), Paris
Panoramic terrace of Tour Montparnasse, Paris
Maintower visitor platform, Frankfurt am Main
View from Triangle Tower in Cologne
Observation deck Rhein-Mosel-Blick, Koblenz
