So I have somehow missed the show Ace of Cakes on the Food channel. But if you have too, you should take a look. They highlight cakes made at Charm City Cakes, in my college town of Baltimore.
Charm City Cakes makes the most amazing, astonishing cakes you will ever see. A couple of examples. First, Fisher's Pop Corn (from Ocean City!):
And here is a sandcastle:
These are handmade, custom-designed cakes. The minimum order charge is ONE THOUSAND DOLLARS, and they will make anything you can describe. But they are already booked solid through the end of 2009.
(Side note about Baltimore - if you have never seen Diner or Avalon, you should rent them right away. Two great movies, both from the great director Barry Levinson. Avalon begins with a wonderful opening line about Baltimore being the most beautiful place you have ever seen.)