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

A beautifully eclectic mix of architectural styles.

2300-year-old Roman road connecting the empire.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Metro station with a claim to rock n' roll fame.

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

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

An unusual round church in London with a Templar past.

A hands-off space for graffiti artists to hone and display their skills.

Visit the monolithic tomb of America's most famous general.

New York City's only preserved family home from the 19th century.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

A miniature city, once ruled by the Queen of the Netherlands.

Strange secondhand shop showcasing taxidermy and oddies

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This bridge was constructed from the rubble of the infamous Bastille.

With a history of slaughter, feast, and famine, remnants of the pork industry decorate this area--even its church.