Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This historic Victorian hotel has a scandalous history of affairs and murder.

A city's controversial tribute to its founder depicts townspeople flashing their bare behinds.

Germany's last remaining Lenin statue has become a lightning rod of debate about the country's divided past.

Dancing skeletal figures pay homage to a medieval mural destroyed during World War II.

The NASA scientists behind Apollo 11 started out developing Nazi weapons at this abandoned German rocket factory.

A preserved college lock-up that recalls a clubhouse approach to discipline.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Tiny memorials honor individual victims of the Holocaust.

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

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

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

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Rare and gorgeous birds abound in this protected wildlife sanctuary.

Jail from the 19th century that was built by inmates.

See just what life was like in a 19th-century prospecting town.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.