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

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

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

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

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

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

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

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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

Manchester's abandoned train depot lingers in a post-industrial purgatory.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

This Manchester laundromat is hiding something.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

19th century tunnels burrowed under Liverpool.

The Liverpool street made famous by the Beatles is real.

A thousand year old oak tree survives in Liverpool.

Prehistoric sandstone menhir with Early Bronze Age cup and ring markings, also known as Robin Hood's Stone.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A crumbling hospital from the 1850s on Roosevelt Island.

On Japan's Tashirojima Island, cats are king.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.