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

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

The oldest garden in Prague, once part of an medieval orchard.

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

Model Trains and Much More in Hamburg.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

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

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

This elaborate towering structure was once famed for its revolutionary height.

The first American department store, and home to the largest operating musical instrument in the world.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A layered tribute to the work of mosaicist Isaiah Zagar.

This folk museum is devoted to small figurines of provincial village life.

This garden houses the remains of the ancient Greek port of Marseille.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?

Recycled junk and fishing buoys litter the yard and facade of this bait shop cum art project.