When it comes to chocolate, the possibilities for sweet treats are endless. On the ultimate list of the best chocolate treats in America, Ali Khan devours an unbelievable Dark Truffle Cake from San Antonio, Texas, and Johnny Weir and Tara Lipinski indulge in an explosion of different chocolates in one luscious dessert in New York City. Finally, Scott Conant travels to Sin City to bet on a chocolate mashup that's crazy delicious.