"All you need is love. But a little chocolate now and then doesn't hurt." - Charles M. Schulz

Traveling to beautiful places is already sweet, but the journeys can get decadent if you succumb to the power of chocolate.

Chocolate tourism is big, as luscious bonbons, pralines, pastries, cakes, cookies, mousses and other delights have chocoholics all over the world craving classes and museums devoted to the heavenly food.

You probably already know about Hershey, Pennsylvania; Ghirardelli Square in San Francisco; and other destinations for chocolate-lovers closer to home.

Here are five more decadent spots in Europe for chocolate lovers on CNN Travel.