Wittenberg's top sight, the Lutherhaus, is where Martin Luther lived. Today, it's an excellent museum displaying original artifacts. Nearby Wartburg Castle is another popular stop on the Luther trail. This is where Luther hid after being declared an outlaw. 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.