A colossal sculptural lion built by the same man who designed the Statue of Liberty.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

There has been an astronomical clock on this spot since the 14th century.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This French castle is said to have once held the Holy Grail but is now a gorgeous mountaintop ruin.

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

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

A haunting collection of the vanished and disappearing natural world.

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

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

The oldest surviving mosque in the UAE has mysterious origins and unusual architecture.

One of the largest sand dunes in the world is nicknamed the "Scary Mountain" due to its steep slope and sharp incline.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

This Transylvanian church has changed its denomination four times.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

A medieval church built up to defend its village.

Something's watching you.

The Natural History Museum that time forgot.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Conspiracy theories and occult legends surround this mysterious natural rock formation.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.