The world's first invisible city square is an homage to a man who pushed the boundaries of art.

Where a Japanese government official issued transit visas to Jews fleeing from Nazi-occupied Poland.

Described as one of the Baltic region’s most daring and original construction projects.

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.

Discover the car that once belonged to the King of Nepal in a former Soviet-era taxi park.

A wide array of locomotives call this outdoor museum home.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

Things aren't quite what they seem at this mind-bending museum.

A miraculous three-handed portrait of a saint can be found inside this church.

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

The largest coin pyramid in the world is a carefully balanced stack of over 1,000,000 pieces.

Rub it for a bit of good luck.

Underwater roads undetectable from the surface used for escape routes from foreign invaders.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

The river-powered ferry dates back to 1970s.

This lonely Lithuanian chapel looks more beautiful and haunting in decline than it ever did in life.

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

This Latvian shot factory is still used twice a year to manufacture bullets the old-fashioned way.

How this choice of tombstone came to be is still a mystery.

A unique museum dedicated to the famed Soviet director and other cinema greats.

This ducal residence was once home to a future Russian empress and a French king in exile.

This former Nazi labor camp is now a poignant memorial, complete with giant Soviet-style monuments.

This controversial monument was designed to lionize the Red Army, but also disheartened the Latvian people.