Venice's island of the dead.

100 year tradition of fist fights, marked by marble footsteps.

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

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

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

Walk or bike along a narrow strip of Belgium sandwiched by German territory.

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

Its town washed away centuries ago, this lonely tower by the sea tells the tale of a mermaid and a curse.

This giant wire frame man sculpture is crouched in contemplation.

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

This giant radio telescope would be a rusting ruin if it hadn't become such a beloved relic.

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The bears of Bern have been a city highlight for over 500 years.

The second-highest train station in Europe.

A historic observatory precariously perched at the "Top of Europe."

The topiary maze at the Habsburg hunting lodge.

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

Bridge that died in war and was resurected.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.