The place where Czar Peter I of Russia resided in 1697 during his Grand Embassy.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

Colorful and chaotic stacked hotel in North Holland.

This unattributed sculpture in Amsterdam is hiding in plain sight.

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

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This colossal couch is an unlikely monument to Europe's first female Doctor of Law.

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

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

Where Mary Shelley’s "Frankenstein" and John William Polidori's "The Vampyre" were born.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

A rare, flower-shaped example of Brutalist architecture in Switzerland.

Swiss vineyards in a UNESCO heritage site.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

This floating sculpture of ice is a poignant reminder of nature's power.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

This cubist Vienna church building looks like some sort of alien stonehenge.

A spherical "micro-nation" in the heart of Vienna.