A solemn memorial in a majestic setting that honors a 1692 tragedy.

In 1990, this 37-foot red steel bottle sailed from New York to England.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

Iron Age runes and ruins hide in plain sight along this Portuguese beach.

The medieval woodcut-style artwork chronicles life in medieval London.

The Great Fire of London and the regulation of one-way streets both started in this alley.

The bronze uniforms commemorate the vital role of women during World War II.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

The commemorative stone column conceals a secret laboratory.

An architectural oddity hides in plain sight on this iconic London bridge.

The ritual has been performed uninterrupted for nearly 700 years.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

There's an exclusive Beefeaters pub hidden in the Tower of London.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

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

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

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

One part local history, 99 parts gruesome haunted house.

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

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

This former community granary is now a lonely mountaintop shrine.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.