Is there a better place to visit in a country than its capital city? Whether it's the bustling streets of Paris or the ancient charms of Rome, there's no better way to get your knowledge pumped to the max on Sporcle. To get started on your trip, make sure to name the world capitals, or even just the capitals of Europe. For one of the most difficult challenges on our entire website, you should try to name the world's most populous capitals. Whatever the great trivia knowledge you learn about the world, just make sure you send us a postcard when you get back.