A medieval house adorned with enigmatic carvings, including one of a man displaying his masculine attributes.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

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

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

One of Jeff Koons’s largest sculptures and his first commemorative work.

The video game-themed street art first popped up in the French city.

The world's largest reflecting pool is just two centimeters deep.

This demon atop the Notre-Dame de Paris looks utterly bored.

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

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

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

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

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

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

France's national museum of scientific and industrial instruments.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Protecting the dead from opportunistic body snatchers.