Every now and then, you hear about restaurants serving up exorbitantly priced dishes -- a $12,000 pizza here, a $4,000 plate of curry there -- and you might think, "Oh, it probably costs so much ...

As a new trend sees content creators trying the world's most expensive foods, are these luxe offerings ever really worth it?

From a melon that costs thousands to truffles sniffed out by trained pigs, these are the most expensive foods in the world.