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

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

London's old-school healing garden.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

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

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

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

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

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

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

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

Remnants of a Victorian garden feature sitting in public woodland.

A historic hill of tall tales, with one rather special tree.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

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