This spooky statue sits outside a famous Prague theater.

Tiny communists hammer away on the Olomouc Astronomical Clock.

This network of conjoined cellars was riddled with traps and supposedly allowed the townspeople to pretend their homes were deserted.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

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

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

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

A church of bones, decorated with 40,000 human skeletons.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

This natural wonder is disappearing at an alarming rate.

When the rain falls, this drain system turns into a musical instrument.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Fortified medieval tower house with lovely roof garden.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

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

The bomb-ravaged remains of of a colossal Neptune.

Five candy-colored villages on the Italian Riviera.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.