The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

A mysterious artist-run cabinet of curiosities and library.

Robotic car thieves, freakish animals and huge neon floats in Northern Ireland's capital.

A collection of abandoned typographic signs from Berlin and beyond.

Gothic tower where Lord Alfred Tennyson wrote the poem "The Sleeping Beauty."

Decrepit Victorian public lift is a white-knuckle ride.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

A place of remembrance for the Prime Minister that met a violent end.

Museum celebrating the history of computers, especially their role in codebreaking.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.