A plaque is all that remains of a lost Oxford transport hub.

Used as an example in one of the first dictionary entries for "museum" in 1706.

Regency-era excess on the English Coast.

A hidden plaque is the only reminder of the lost palace where two storied English kings were born.

This 11th century tower is said to be the oldest building in Oxford.

The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

Hidden in plain sight, this creepy sculpture watches from above.

Home to the most complete dodo remains known - one head, and one foot.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

This platform is now a memorial dedicated to those who were deported during the Holocaust.

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.

Blitzkrieg bop your way through Berlin's Ramones Museum.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

Where once there was a train station bathroom, there is now this German burger joint.

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

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

An eerie, derelict amusement park in Berlin.

The largest shot tower in Australia is a unique reminder of industrial ammunitions history.

Every hour a secret compartment drops from this giant pocket watch, revealing a lovely surprise.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

Once housing children next to hardened criminals this historic jail once displayed Ned Kelly's skull until it was stolen.