The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

A historic arboretum and non-conformist, non-denominational park cemetery.

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

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

The curios of pharmacist and collector Henry Wellcome.

Rebuilt remains of a temple to Roman god Mithras.

An unusual round church in London with a Templar past.

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

The atmospheric road was never meant to be so creepy.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

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

One part local history, 99 parts gruesome haunted house.

Famously misunderstood wonder of the ancient world

The fountain marks the area where hundreds of accused witches were burned at the stake.

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

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The world's largest collection of witchcraft regalia.

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

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

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

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

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

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