The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Science meets wall art to highlight the beauty of famous mathematical equations.

Breathtaking and huge 430 year old maps of Italy.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

A 16th-century Andalusian palace.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Romania's triumphal arch looks out over Bucharest.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Enter the cabin of a life-sized Hindenburg replica.

Pilgrimage site for star-crossed lovers.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

The world's tallest boat lift stands as a massive piece of industrial tourism.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

The birthplace of most all of Europe's space missions is here on the Dutch coast.

This unreal Portuguese palace looks as though it's made from a pile of different castles.