A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

Bridge that died in war and was resurected.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

Longest fortress system anywhere in Europe.

An apparition of Virgin Mary in Herzegovina.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

The only gulag ever to exist in socialist Yugoslavia.

Where the lovelorn find a home for their sentimental keepsakes.

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

Palace where the nearly un-killable Rasputin was murdered.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

The avant-garde design was able to bypass strict Soviet regulations on architecture.

Museum celebrating the achievements of the Soviet space program.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

A perfectly preserved hill village where the buildings are painted like white lace.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

A wunderkammer of mysterious objects and stories.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Countless stories attempt to explain Poland's mysterious J-shaped trees.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

International delicatessen has been owned and operated by the same family for more than 110 years.