A scattered trail of street art adds a pop of color to the city's stark structures.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

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

One of the most iconic neon ads of former East Germany.

This small exhibition displays equipment and artifacts once belonging to the feared Stasi secret police.

This is part of the Francke Foundation Museum, a curiosity cabinet filled with different scientific and natural wonders.

The monument honors the first (and for a long time, only) African-born philosopher to teach at a German university.

The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

Macabre astrological automaton clock dating to the late 1400s.

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

The first museum in the world devoted to sexual gadgetry.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

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

This spooky statue sits outside a famous Prague theater.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Looming communist pillar with a Czech twist.

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

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A historic and beautiful Art Nouveau chamber in a historic railway station.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

The recreated ruins of a house designed to memorialize a World War I shelling on the town.

This legendary dessert was served to Nobel laureates for decades.