A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

Pop culture has helped to keep this iconic British building from being destroyed.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

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

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Eighty million natural history specimens call this gargantuan museum home.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

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

A series of abstract, silly sculptures represent the works of a great modern classical composer.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

His "Lionheart" is entombed separately from the rest of his body.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

French commune at the heart of conspiracies.

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

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.