Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

Cliffside houses provide a spectacular view from their perch above the valley.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

Wonderland replication in progress by one persistent man.

This semi-secret storybook hedge maze is also the oldest garden in the city.

A beautiful but toxic fountain of mercury.

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

Floating pink tap installed for a flower show in London.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

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

Artists and musicians now rule over this former rail station.

A comic book store that puts the marvel back in marvellous.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

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

Museum housed in underground tunnels that date back to Buenos Aires's earliest settlements.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

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

Protecting the dead from opportunistic body snatchers.

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

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

The anatomical-pathological collection of a man who changed surgery.

A cluttered and astounding collection of antiquities and curiosities.