Empire State Building - New York City, USA - Height: 443 meters (including the antenna) - Completion Year: 1931 - Construction Cost: Approximately $40.9 million (equivalent to around $700 million today)

Detail: The Empire State Building, an Art Deco masterpiece, was once the world's tallest skyscraper.

Interesting Fact: It has its zip code and was famously climbed by King Kong in the 1933 film.