It's boom times for heavy metal. The past several years have seen historically high prices for commodities like iron and gold, not to mention wheat and rice, thanks to growing demand in China, India, and the developing world.

It's an open question how long commodities can maintain their stratospheric rise. Until that day comes, the prices of the raw goods we draw from the earth will continue their upward ascent, fueling construction in China, mining in Australia and South America, and farming in southeast Asia.

But where do these commodities come from? Here are 16 metals and crops that you can find in your building, car, toaster, or dinner plate. Can you guess the world's top producers?

The slides in this gallery originally appeared in an article written by Vincent Trivett in Business Insider. It has been edited and expanded for our site.

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