An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

One of the oldest, well-preserved water treatment facilities in all of Europe.

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

This spooky statue sits outside a famous Prague theater.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

A bus with a butt and biceps to put Olympic athletes to shame.

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

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A museum dedicated to a Cold War era sausage.

This monumental work of art symbolizes the coming together of a previously divided city.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

This concrete residential area doubles as an open-air gallery.

Reminders of the Battle of Berlin still scar the railway.

This curious sculpture represents the perseverance needed to take to the skies.

A brush maker used his factory to protect blind Jews from the Gestapo.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

Cold war icon and onetime "hole" in the iron curtain.

A monument to the man who almost killed Hitler.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.