A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

Originally built for nuclear power plant workers, this church sits between apartment buildings.

Step inside a Soviet-designed nuclear power plant with RBMK reactors identical to the ones in Chernobyl.

This ornate church has survived Nazi and Soviet occupation, including a short stint as a Soviet-era gymnasium and cinema.

A small granite monument marks where the borders of three countries meet.

You would never guess that before World War II this lonely field was a bustling German city.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

An abandoned masterpiece of Soviet Brutalist architecture.

Over time, this castle grew to encompass the entire island.

Once known throughout Europe, this tiny and unusually progressive 18th century micro-nation within Lithuania now lies in ruins.

What almost started out as a spite house became an eccentric's found object masterpiece.

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

An extensive collection of some of the oldest grave markers in Lithuania.

Small glass tiles offering windows into the city's layered past.

The first museum dedicated to exploring humanity's cultural relationship with the celestial world.

The river-powered ferry dates back to 1970s.

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

An open-air art gallery that aims to share the stories of the people who live around it.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

Ancient serpentine sacrifice holder that has stood the test of time.

A fountain standing as a testament to a doomed alliance.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.