Fabulous formations, weird and wonderful wildlife.

This picturesque island graveyard is the final resting place of dozens of notorious pirates.

The centuries-old trees lining both sides of this dirt road may become Madagascar's first natural monument.

The prototype for all Nazi concentration camps.

A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

A phantasmagoric tomb honors a Belgian artist-scientist's contributions to the world of spooky entertainment.

Executions were once held near this beautiful 18th-century fountain.

A short distance from the Eiffel Tower is the final resting place of several of the city’s more well-known and interesting characters.

The oldest and smallest cemetery in Paris is only open to the public twice a year.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

A subterranean shelter remains intact under a busy Paris railway station.

Indents in the pavement are all that remain from a grisly death machine in Paris.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

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

Abandoned railway line circling the city of Paris.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A giant snail sculpture looking longingly at the German traffic museum.

The scars of World War II are preserved on its walls.

A fearsome dragon clings to a corner of Munich's city hall.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.