This reconstructed Norman castle is the world's most accurate, from location to livestock.

The world's first purpose-built motor racetrack was destroyed by the outbreak of two world wars.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

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

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

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

Berlin's old airport.

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

A fascinating insight into daily life in the Eastern Bloc.

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

This charming, narrow-gauge railway in the Thames Estuary is sometimes referred to as the "Train to Nowhere."

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

The most visited, and possibly most controversial, museum in Germany.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

The monster at the center of the Darwin Center Spirit Collection.

Repository for more than 22 million pickled specimens.

Eighty million natural history specimens call this gargantuan museum home.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

The pockmarks across the building's facade are remnants of the Blitz.

Legends say that this Art Deco apartment building almost became Hitler's British headquarters.

The cedar tree in Highgate Cemetery earned its title by accident.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.