Insanely expensive things you can buy at Costco

When someone mentions Costco, you probably imagine bargain hunters buying giant boxes of cereal and huge tubs of peanut butter. But did you know that Costco sells some specialty and luxury items that cost thousands and even tens of thousands of dollars?

From fine art and diamonds to A5 beef and even funeral caskets, here's some of the seriously pricey merchandise available at Costco.