Possibly the oldest of Britain's ancient henges is also one of its most stark.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

Enter the world under the hill at this ancient UK burial chamber.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

Legend has it that seven Anglo-Saxon kings were coronated on this stone, located in the appropriately-named town of Kingston.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

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

The last four extravagant street signs of London's historic banking street.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

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

Two plaques commemorate the site of Shakespeare's first theatre.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

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

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

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Hear the quietest sound from across the dome.

An incarceration museum on the spot of possibly the oldest prison in England.

An unusual round church in London with a Templar past.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

Eighty million natural history specimens call this gargantuan museum home.

Banksy gives themself artistic license with this piece of London street art.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.