This lesser-known Frank Gehry building houses a treasure trove of cinema history.

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

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A haunting collection of the vanished and disappearing natural world.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

This massive library holds what was once the largest book collection in the world.

Abandoned railway line circling the city of Paris.

France's most famous cemetery, with some of its most curious tombs.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Home to the "Rat King" of Nantes and other wonders of the natural world.

This small island, a byproduct of 19th-century canal construction, is now home to a charming Japanese garden.

Guests can stay at a hotel in the former French abbey where lie the tombs of King Henry II and King Richard the Lionheart.

Once a meeting point for great thinkers, and the midpoint of the country.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A self-built mosaic house and sculpture park.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

The "world's smallest volcano" has been used to store meals and dispose of dead bodies.