From Portugal to Hungary, from Great Britain down to Greece, Europe is a lot to take on. Luckily, the student adventurers behind Let's Go Europe 2015 think you can handle it -- with a little help. Whether you're whipping through London, Barcelona, and Prague in five days or spending a leisurely year abroad, you'll get all the info you need from us. Our wit and irreverence can brighten even the drabbest Renaissance museum--if you didn't take our advice...