Shocking dioramas of human torture, meant to promote human rights awareness.

These eerie outliers of the lightning bug family glow a mysterious blue color.

This stone statue inspired Thomas Wolfe’s 1929 novel 'Look Homeward, Angel.'

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Legend says this demonic carving inside a medieval cathedral was one of Satan's minions.

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

The monster at the center of the Darwin Center Spirit Collection.

English antique dealers with a taste for the unusual.

A little slice of Japan and its aesthetics in London's Holland Park.

A small stone monument marks the spot on Stavely Road where the first of hundreds of missiles touched down during World War II.

A 1950s beatnik coffee house, turned 60s counterculture hotspot, turned modern music venue.

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.

This historic building displays the remains of a victim of the devastating 14th-century plague.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

Traveling collection of amazing automata.

A tongue-in-cheek arcade where the games are based on everyday life.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

A mysterious shape catches the eye in this 16th-century painting.

The remains of the great moral philosopher reside in a university in London.

Repository for more than 22 million pickled specimens.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

Where Aleister Crowley attempted to seize the Hermetic Order of the Golden Dawn in a mask and a kilt.