A kaleidoscopic warehouse-maze of handmade neon signs.

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

Scattered throughout London are ancient remnants of the city's former bounding wall.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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

Remnants of a Victorian garden feature sitting in public woodland.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

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

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

An unusual round church in London with a Templar past.

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

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

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

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

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

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

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

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

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

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

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."