A series of playful yellow penguins share a serious message about the environment.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Macabre astrological automaton clock dating to the late 1400s.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

An ornate century-old elevator still connects the two halves of Bad Schandau.

Ruins of a German Castle on top of a towering stone pillar.

This stone amphitheater was once part of Nazi Germany's plan to promote propaganda.

An engineering wonder at Pillnitz Castle protects a precious 230-year-old flowering shrub.

Is this statue at Naumberg Cathedral the fairest of them all?

A monument to the "father of modern warfare" Gustav II Adolf.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

Berlin's old airport.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The world's oldest rose is so tough it survived being bombed in World War II.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

Goethe's "Faust" was inspired by these rock formations known as the "Devil's Pulpit" and "Witches' Altar."

Home to the world’s oldest seismograph and a four-ton steel ball that makes its own earthquakes.

One of the oldest student jails in Germany.

The Goose Girl of Göttingen, Germany might well be the most kissed girl in the world.

A 1:2 billion-scale solar system leads visitors into this German university town.

This German "living museum" is maybe a bit too immersive.

This historic stone bridge has an entire neighborhood clinging to its sides.