unique cake flavors

WOW! I've been looking online at different bakeries. And have discovered some truly unique, cake flavors. 'Charm City Cakes' has a peanut butter and jelly cake, I found banana split cake, avocado cake. I'm out of culinary school a couple years, and all of a sudden I feel like ripvanwinkle. I think I need to experiment here. See if I can create something, not yet done. I'll keep you posted.