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

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

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 curios of pharmacist and collector Henry Wellcome.

A student driver's nightmare.

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

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

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

The longest hedge maze in the world.

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

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

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

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

This South London cemetery holds the remains of more than 15,000 people.

The atmospheric road was never meant to be so creepy.

Famously misunderstood wonder of the ancient world

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

A kaleidoscopic warehouse-maze of handmade neon signs.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

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

The sign at the garden gate reads: "These Plants Can Kill."

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.