It's satisfying your sweet tooth, taken to an extreme -- and it's catching on quickly worldwide. Dessert-only restaurants are all the rage these days, and popping up in more places all the time.Espai Sucre got the ball rolling when it opened its doors in Barcelona, Spain, in 2000. Perhaps the perpetually long waits at this dessert-only boîte inspired pastry chefs around the globe, who could spot a winning idea when they saw it. These new eateries aren't like your parents' pastry shops -- they're actual restaurants where diners can order from extensive menus of pastries and sweet drinks. Some, like any other fine-dining restaurant, even offer multi-course dessert meals paired with alcohol. Read on to see where you can go to bring your childhood fantasies of dessert for dinner to life.