A geothermal energy project gone wrong is fracturing the city's picturesque architecture.

World's largest barrel containing an inn.

This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

Legendary site where an evil bishop was devoured by rodents.

It's good luck to be mocked by this monkey.

A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.

The last bastion of Roman presence north of the Alps looms over a German town.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

Twisted buildings adorn the banks of the Rhine river.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

This painted Lego bridge is the product of over a century of locomotive history.

This 600-year-old home seems to defy physics.

Super-heavy Nazi architectural experiment.

This "floating railway" is one of the world's oldest monorail systems.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

A miniature city, once ruled by the Queen of the Netherlands.

Lumps of significant stone from around the world surround a flaming monument for peace.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.