Inside this building is another country within Rome, a sovereign entity without a physical territory.

An unremarkable wooden wheel built into the side of one of Rome's oldest hospitals was part of a policy to reduce infant exposure.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Breathtaking and huge 430 year old maps of Italy.

This stone in Lake Geneva was once the reference point used to determine altitude in Switzerland.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

A permanent exhibition honors Queen, which recorded seven albums at the casino-based studio, including “Under Pressure” with David Bowie.

This famous writer's tombstone is a literary pilgrimage site that was publicly defiled by a rival.

A constellation of golden cobblestones shows the names of local children born under a full moon.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

The Sun King's military models, saved from the Louvre.

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

With a history of slaughter, feast, and famine, remnants of the pork industry decorate this area--even its church.

Offal and flawless onion soup are on the menu at this restaurant that once catered to the workers of Les Halles.

Shop at the 200-year-old store where Julia Child stocked up on copper cookware.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

A haunting collection of the vanished and disappearing natural world.

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

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

Paris' linguistic guide to the international language of, yes, love.