Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

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

An ornate private entrance to the Vienna subway built specifically for the emperor.

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

A bronze replica of an elm tree that honors the victims that perished in Pawaik Prison.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

A once-fairy tale mansion now stands in a state of disrepair.

This almost a century old piece of architecture had been overlooked by most, except for the drunk and the homeless

Heralded as one of the prettiest castles in all of Czechia.

Inside the Šomoška National Nature Reserve exists a unique rock formation rarely seen in the world.

A massive sculpture of an obscure Celtic coin that has become a symbol in Slovakia.

This 13th century Gothic brick castle is the largest in the world by surface area.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

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

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

This magnificent Art Deco church is a reflection of Lithuania’s turbulent history.

Enormous sandstone towers loom within a Czech forest.

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

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.