Cosmopolitan Frankfurt — nicknamed "Bankfurt" — is a trading hub of a united Europe, home to the European Central Bank, and a center for global commerce. Though it may be low on Old World charm, it offers a great look at no-nonsense, modern Germany. At http://www.ricksteves.com, you'll find money-saving travel tips, small-group tours, guidebooks, TV shows, radio programs, podcasts, and more on this destination.