Surreal works of unreal stone and metal dot the landscape of this Latvian art park.

Just another terrifying garden filled with hundreds of endlessly smiling doll people.

This abandoned secret city is a crumbling wonderland of Soviet ruins.

The only things left in this abandoned Latvian graveyard are a mysterious stone and a ghost story.

A clerical error gave rise to this imaginary micronation in the southwestern corner of Estonia.

This impressively complicated radioastronomy research center was once a tool of Soviet spies.

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

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

Guests become prisoners on a visit to Latvian prison.

Launch site for nuclear war against Western Europe.

Sculpture garden of religious statues made it through Soviet rule.

A WWII museum that tries to reenact history.

An impressive ensemble of sculptures that survived the Soviet regime.

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

A peculiar family mausoleum built by a German nobleman captivated by the occult.

This lakeside bunker complex in Mamerki, Poland, housed the Supreme Military Command of Nazi Germany during World War II.

Built to transport German U-boats through the never-completed Masurian Canal, the locks near this Polish village are now home to a rope course.

This hilltop ruin is of the hundreds of stone columns built in tribute to the first German chancellor.

A miniatures park with a model of Wolf's Lair as it looked during World War II.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

The manor house where the Polish composer spent childhood summer holidays is now a museum and concert hall.

Museum dedicated to "the man who moved the Earth."

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

A huge wooden clock that is so beautiful its creator was forcibly blinded.