Observation decks like the one on top of the Willis Tower in Chicago and the Edge in New York City offer huge skyline views — and huge revenue. While Detroit doesn’t have a sky-high vantage point like ...

Love them or hate them, skyscrapers are springing up at a fast pace in cities all around the world. They're a symbol of humankind’s might and ambition and are used as a sign of economic power in ...

Cool cocktail lounges, delicious dining options, museum-worthy art exhibits and spas that pamper passengers from head to toe are designed to make travelers barely notice they’re in an airport. Airport ...