This striking structure is the Socialist-modernist centerpiece of a former Soviet spa resort.

What this Good Friday parade lacks in baroque filigree it makes up in somber gothic imagery.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

These abandoned salt flats are now a haven for wildlife.

The ruins of an ancient fortification wall sit in front of and underneath this boutique hotel.

The partially submerged ruins of a white marble quarry used in ancient Greece for over 1,200 years.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

This once-derelict building is now one of the most beautiful bookstores in the world.

Eastern Bloc nostalgia, anybody?

The walls of this tiny Italian church are entirely covered with frescoes.

In medieval times this small stone seat was used as a bizarre way to punish insolvent debtors.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

This tiny islet has somehow housed an ancient temple, two monasteries, a church, a fortress, and a restaurant.

Contains some of the world's more disturbing wax anatomical models.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

The “Coin Cabinet of Dresden” houses a collection of over 300,000 numismatic artifacts, one of the largest of its kind in Europe.

This inconspicuous pharmacy went down in history as the first gas station in the world after fueling the first road trip ever taken.

Germany has its very own Centralia, whose spark remains attributed to "spontaneous combustion."

An ornate century-old elevator still connects the two halves of Bad Schandau.

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

Ruins of a German Castle on top of a towering stone pillar.

Rent a barrel for a personal view of where the Baltic Sea meets the Gulf of Riga.

The monastery survived the Communist revolution in Mongolia as a religious museum.

A rare double mill nestled along the banks of the Aa river.