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You might have been to some incredible museums with your school or family, but have you ever been to a 'poo-seum'?

Well, the first-of-its-kind 'Poozeum' has just opened in Arizona, in the US, and features thousands of pieces of poo from different animals throughout history.

But don't worry about the smell - all the items are fossilised, so you won't need to hold your nose!

The Poozeum has been set up by George Frandsen, who holds the Guinness World Record for the largest collection of fossilised poo.

Would you visit a poo museum? Let us know in the comments!

George Frandsen began collecting fossils of poo when he was a teenager, finding them both funny and interesting.

The Poozeum was first an online resource, but last month opened a real life version in the Arizona city of Williams.

He now has over 8,000 pieces in his collection, including fossils of dinosaur poo!

What are fossils?

Fossils are the remains or traces of animals from history.

Some fossils date back billions of years ago, and most of the species found in fossils have died out or become extinct.

Fossils are made in lots of different ways, but usually involve layers of sediment squashing old animals and plants that are buried in sand or mud.

George's biggest find is called Barnum, and is a fossil that's 67.5cm long.

There's still some mystery about which creature produced Barnum, but we know that it belongs to a carnivore, which is an animal that only eats meat.

The scientific name for a piece of fossilised poo is a coprolite. Coprolites can give scientists clues about what kinds of food an animal ate.