Scattered throughout London are ancient remnants of the city's former bounding wall.

A memorial for public executions that dates back to the 14th century.

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

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

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

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

Both church and state get put to the torch in this annual festival in the "Bonfire Capital of the World."

The plaques around this 19th-century structure recall some rather strange tales.

Famously misunderstood wonder of the ancient world

Ancient human remains unearthed around the iconic monument.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

Europe's largest prehistoric mound – burial site of a legendary king?

The largest stone circle in the world has ended up bringing up more questions than it has answered.

The only pub in the world surrounded by an ancient stone circle.

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.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

The lantern carried by the infamous Guy Fawkes when he was arrested while attempting to blow the houses of Parliament and the King of England to smithereens

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

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

A naturally mummified 2,000-year-old man.

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

For more than a century, revolutionary graffiti has marked the wall of a Parisian church.

This sculpture encompasses the emotion of rail travel.