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

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

There has been an astronomical clock on this spot since the 14th century.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

A striking 12th-century-style castle built on the edge of a cliff.

An old slaughterhouse now holds the largest collection of pig artifacts.

Whimsical wash tubs row down the stream as part of this Carnival celebration.

It's good luck to be mocked by this monkey.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Famously misunderstood wonder of the ancient world

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This natural "sea of stones" was once used by the Romans as a quarry.

A famed artist's inspiring work of peace and tolerance.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

Power line with pylons on huge concrete bases to prevent terrorist attacks.

The last bastion of Roman presence north of the Alps looms over a German town.

Thousands of flowers create enchanting pink tunnels over the city streets.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.