14. Get your waltz on at one of the more than 450 balls taking place in the Austrian city annually.

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10. Before her wedding to Prince Rainier III, Grace Kelly's family had to pony up a whopping $2 million dowry to the royal family.
Hold on to your fascinators: Buckingham Palace and Notting Hill aren't in the City of London. Read on for more facts about Britain's capital.
Even if you know Tivoli Gardens from Bakken, we're willing to bet a few kroner there's still a lot you haven't heard about Denmark's capital city.
Between the 15th and 20th centuries, women-led states were 27 percent more likely to go to war, a new analysis finds.