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

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

A historic house devoted to the teachings of a 1700's prophetess and her mysterious box of revelations.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

Asia's largest limestone cave is home to a world of plastic goblins and gold mining history.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

Artifacts showcasing the witchy history of Zambia.

This home is decked out like a psychedelic explosion of colors and bowling balls.

A former taxidermist has turned his old shop into a folk art mecca.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

A 30-acre garden inspired by the principles of modern physics.

This remarkable cave was discovered after a shepherd watched bees enter and exit through a small fissure.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Hidden behind musical flora and forgotten for over a thousand years, this cave is now a neon dream.

Staves, storm-calling, and of course, necropants.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The world's only museum devoted to the wonders of fluorescence.

A 16th-century horror show built in a lovely Italian garden.