No one is sure what to do with this WWII shipwreck that sits at the bottom of the Thames, still loaded with tons of explosives.

This tunnel entrance is built to resemble a grand castle but no one is quite sure why.

A mysterious bridge over a sunken Roman road.

Angels, demons, and tortured souls on a giant wall mural in a little church.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

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.

A student driver's nightmare.

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

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

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

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

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

Hear the quietest sound from across the dome.

An unusual round church in London with a Templar past.

This London plaque marks the spot where David Bowie's famous alien made his debut.

One part local history, 99 parts gruesome haunted house.

Bell tower juts out from a village buried under a lake.