The final resting place of a German diplomat's beloved companion.

A mineral spring that became all the rage in 17th-century England.

Though it's not the largest, this one-kilometer outdoor market is reportedly the longest in Europe.

This peaceful park with centuries of history hides in an overlooked section of South London.

A museum that chronicles the interesting and often dark history of the London docklands, once one of the major trading ports of the world.

This museum is dedicated solely to this millennia-old handheld cooling device.

A building that survived WWII, possibly on the virtue of its name alone.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

This pub boasts a curious history and may have inspired a Dickens character.

William Smith's iconic "map that changed the world" is hidden behind a curtain in the Geological Society building.

The bones of two medieval royal lions were discovered at the historic fortress.

Hidden in the courtyard of the Victoria and Albert Museum is a little-known tribute to two celebrity pooches.

A series of carved figures that scandalized British society.

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

On a wall in linear London, a plaque hangs at the high water mark of one of the worst floods in fictional Kcymaerxthaereal times.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

This Underground station has been a popular filming location for decades, even before it closed.

A relic from one of London's worst 19th-century slums.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

This historic London residence was once the womb of Scientology.

Historic church where a number of Shakespeare's actors are buried.

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

This medieval church tower has maintained its clockworks since the 16th century.