Vintage furniture and art share space with all manner of collectibles at this quirky shop in Bangkok.

This vast kitty-themed collection illustrates the history of human-cat interaction.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A hands-on traveling collection of the innovative devices of yesteryear.

Hundreds of skulls and bones at the largest skeleton museum in the country.

A unique park tells the geological history of Belarus in a national “map” of thousands of boulders and blue spruce.

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

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

This rare collection of human deformities displays fetuses with two faces, one eye, and "mermaid" legs.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Giant sand sculptures of famous people and places are on display near the Tottori sand dunes.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

An unexpectedly extraterrestrial room in a former Victorian resort club.

An institution dedicated to curiosity, logic, riddles, and Mongolia's long history of puzzles.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

A Swiss amusement park entirely dedicated to the theory of ancient astronauts.

Video games, body language, and postal history are all on display in this Swiss museum.

Natural history museum displaying a famous taxidermied St. Bernard.

One of the world's largest collections of pharmaceutical artifacts.

A rare museum dedicated to a rather overlooked material in the history of fashion.

This taxidermilogical collection was assembled by a peltmonger turned animal activist.

These spooky and unusual stone formations create an underworldly landscape.

The last woman executed for witchcraft in Europe is remembered in this Swiss museum.

The steepest classic funicular in the world glides along a dizzying incline.