This knockout museum lies in a sleepy corner of London.

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

This overlooked street light once served as a KGB dead letter box.

Traveling collection of amazing automata.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

The broken skateboards that became a poignant memorial to a murdered skater.

A tongue-in-cheek arcade where the games are based on everyday life.

An unusual round church in London with a Templar past.

The secret wartime bunker built on the platforms of an abandoned Tube station.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

One part local history, 99 parts gruesome haunted house.

A mysterious artist-run cabinet of curiosities and library.

The canine-themed book collection claims to be Europe's largest dog library.

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

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

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

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

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

Hidden beneath the streets of London is a secret subway that only carried mail.

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

Giant, friendly pelicans in Central London, the most unlikely of places.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.