A restaurant and observation deck built in a unique broadcasting antenna.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

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

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

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

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

This medieval fortification has weathered the centuries better than any other structure from its era.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

The ancient water tanks remain some of the ruined city’s most beautiful architecture.

The remains of what was, not so long ago, the world's largest city.

The streets of a sleepy Spanish town proudly exhibit some of the world's finest graffiti.

French commune at the heart of conspiracies.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

Historic medieval fortified city in southwest France.

A more chill but no less fascinating version of the famous ancient archeological site.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

Dead weights honor the dead of Portugal's fishing industry.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

Picturesque intersection of witchcraft and ancient Christianity.

An honorary saint of the people, Maria Adelaide became an incorrupt corpse, the clothes intact, exhaling “a strong scent of roses.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The largest Chinese cemetery in the world outside of China dates back to the 15th century.