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

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

The largest of London's subterranean rivers and once a mad, bad center of London life.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A hands-off space for graffiti artists to hone and display their skills.

An unusual round church in London with a Templar past.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

An urban laboratory.

A 18th century graveyard and its astonishing cortege of macabre iconography.

360° views of the city plus five floors of optical illusions and hands-on science.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

A modern English garden of eccentric beasts, follies, and oddities.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

A 30-acre garden inspired by the principles of modern physics.

Surreal riveted sea forts once protected the Kent shores from German attack.

Visit the home of Sweden's beloved fictional character, Pippi Longstocking.