An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

This 700-year-old street food market features baby octopus and soy donuts.

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.

This delightful little museum is dedicated to only one thing: pasta.

An encyclopedic collection of mammal penises.

Its buzzing collection honors vibrator history.

This Cheshire museum has cuckoo clocks, a rare pipe organ and vintage motorbikes. But mostly cuckoo clocks.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Conspiracy theories and occult legends surround this mysterious natural rock formation.

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.

Australia's largest collection of rare and bizarre insects.

A museum dedicated to the lovable crime couple Bonnie & Clyde, just a few miles away from the site of their early demise.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

A bright and wacky exhibit answers every question you may have had about human excrement, flatulence, and more.

World's first "penitentiary," meant to be humane, drove men insane.

Ancient structures used to make and preserve ice in the deserts of Persia.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

The location of the last stand of Charles Manson's doomsday cult.

The oldest volcanology research center in the world.

Eighteen miniature death-scene dioramas.