1: Explore the Smithsonians quirky collections, from a dental practice model to a giant sloth skull.
2: Discover oddities like a woolly mammoth hairball and Thomas Jefferson's macaroni machine.
3: Feast your eyes on a collection of shrunken heads and a vampire killing kit.
4: See the world's largest collection of rocks that resemble faces and an assortment of alien abduction ephemera.
5: Uncover artifacts like a two-headed calf and a jar of pickled "Twins" from the 19th century.
6: View an unusual assortment of vintage undergarments and a collection of prosthetic eyeballs.
7: Marvel at a display of taxidermy pets and a collection of presidential beards.
8: Witness an assortment of celebrity hair locks and a collection of mutant farm animal skeletons.
9: Experience the Smithsonians weirdest and wackiest collections that will have you saying, "I can't believe they collected that!"
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