The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

Southern Italy's spinning top village.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Two stunning 17th-century libraries and a cabinet of curiosities.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The sign at the garden gate reads: "These Plants Can Kill."

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

An emerald-green grotto just a short trip from Austin.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.