Serendipity 3 in New York City holds the world record for having the most expensive ice cream sundae — The Golden Opulence (weighing in at a whopping $1,000). This extravagant ice cream concoction consists of Tahitian vanilla ice cream made with Madagascar vanilla beans and chunks of Chuao chocolate from Venezuela. Toppings include Amedei chocolate sauce, gold-covered almonds, 23-carat gold leaf, and sweet caviar.