The world’s most expensive substances command their prices for very different reasons. Some, like rare gemstones, are ...
Welcome to the jaw-dropping world of luxury and extravagance with "25 Expensive Things You Won't Believe Are Real"! WATCH OUR ...
A long-held lesson of economics is that the value of an item is what someone is willing to pay for it. Still, when it comes to auctions, that concept only partially explains the astronomical prices ...