One of the oldest wine cellars in Germany is now a restaurant beneath Bremen's town hall.

A spitting ode to a German serial killer.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

The jaw of one of humankind's earliest ancestors on display at an overlooked geology museum.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

A collection of artworks exclusively created by the mentally ill that was almost burned by Nazi culture police.

A preserved college lock-up that recalls a clubhouse approach to discipline.

Most powerful transmitter in Germany only broadcasts in the French language.

A university observatory dome painted to resemble the beloved 'Star Wars' droid.

A former ironworks that was the first UNESCO industrial site.

Germany has its very own Centralia, whose spark remains attributed to "spontaneous combustion."

This rock resembling a turned-up boot has become the symbol of St. Ingbert.

The 1852 novel "Uncle Tom's Cabin" lends its name to a subway station, a street, and several shops on the edge of Berlin.

The site where hundreds of Greeks were tortured by the Nazi secret police is now a cosmetics store.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

This once architecturally advanced housing complex is now a haven for squatters that still bears the scars of war.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Where commuters walk through remnants of an ancient Greek necropolis.

A sharp sculpture made of thousands of pieces of jagged glass.