What is smuggled into the U.S.? Photog documents what didn't make it past customs

They've discovered eight-inch-long African snails, hundreds of thousands of fake Viagra tablets and 17 bags of undeclared citrus peels.

At international airports across the U.S.-- and indeed around the world -- customs officials are continually challenged by the astonishing array of goods people try to smuggle past them.

As more travelers fly across borders, they leave in their wake a trail of contraband goods forgotten in cavernous airport store rooms.

Much of it is downright illegal, including flora, fauna, the active ingredient in Botox, and counterfeit purses and jewelry. Other items are downright bizarre, including gold dust, cow manure tooth powder, a plastic pitcher of salami and over-proof Jamaican rum.