A place to eat for on-the-run agents and espionage enthusiasts.

Wisconsin's most celebrated export gets the royal treatment on I-94.

Museum dedicated to the terror regimes of Hungary.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

Pilgrimage site for star-crossed lovers.

Go inside to really appreciate this 500-year-old technological masterpiece.

This one-time health resort was used by aristocrats around the world.

This massive subterranean fissure is known as the "underground Grand Canyon."

A miniature train-ride through Slovenia's largest cave system.

The "dragon babies" of southeastern Europe.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Highly spherical boulders on the shores of New Zealand.

The world's most active stratovolcano is almost always erupting.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

Site of one of World War I's most horrific scenes.

Romania's triumphal arch looks out over Bucharest.

Oriental bazaar in the heart of Sarajevo.