The history and future of cannabis.

A museum of magic with a Sadist past.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

A haunting collection of the vanished and disappearing natural world.

The history of radiation is on safe display at the foot of a radiation science laboratory.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

This museum houses an imposing skeleton army comprised of creatures great and small.

A melancholy jester sits on the grave of a famous 20th-century ballet dancer and choreographer.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Statue of death tucked in the University of Medicine courtyard.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

A surrealist timepiece by the artist of melting clocks.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

The site where two doves fell in love.

This home of a taxidermy hoarder is among the grandest and most singular of historic English estates.

A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

When the public was consulted about a new piece of street art, they naturally asked for an enormous metal dragon.