A kaleidoscopic warehouse-maze of handmade neon signs.

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

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

An incarceration museum on the spot of possibly the oldest prison in England.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

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

Famously misunderstood wonder of the ancient world

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

Catacombs turned marketplace.

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

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

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

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

One part local history, 99 parts gruesome haunted house.

Putting the "mod" in "modular" since 2000.

A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

A student driver's nightmare.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

Cold war icon and onetime "hole" in the iron curtain.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This one has sailed five times as far as Sir Francis Drake's famous ship.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Ship-sized kinetic sculptural fantasy.

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