Four giant movable street lights decorate this modern Rotterdam square.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

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

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

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

This unattributed sculpture in Amsterdam is hiding in plain sight.

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

Amsterdam's former hotspot for public executions and dissections.

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

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Where Venice's gondolas go for a tune-up.

The only museum with its curator—and her pets—buried inside.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

The bomb-ravaged remains of of a colossal Neptune.

Five candy-colored villages on the Italian Riviera.

A lover's walk between hilltop towns, decorated with graffiti love notes.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.