Their motto is, "We've been bonkers for hats even longer than you have!"

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

The largest collection of historical roller skates in the world.

Camera cars and condom bikes built from scrap and one man's passion.

A gigantic collection of teeny, tiny books.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

A stockpile of childhood lunch pails turned collectibles.

A museum where visitors can learn about greyhounds and (more importantly) pet them.

A museum in south England celebrates the amphibious vehicles that cruise on a cushion of air.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

A collection of noses tucked inside an art museum reveals how times have changed.

This Chinese museum proves that it's a watermelon world, we're all just living in it.

Dedicated to the unsung history of human waste.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

A hobby born from insomnia has turned into a hangar full of objects that have been be-buttoned by the Button King.

A showcase of canine neckwear spanning five centuries of doggie fashion and function.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

A museum dedicated to the silliest fruit.