The biggest and deepest Cold War bunker open to the public can be found in southeast England.

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

Metal horses galloping through a London fountain provide a link to the city's past.

A memorial for public executions that dates back to the 14th century.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

An architectural oddity hides in plain sight on this iconic London bridge.

A discarded movie prop that was the original monolith for "2001: A Space Odyssey."

This breathtakingly beautiful botanical garden is home to a mob of wonderful wallabies.

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

A house of bones — but nobody is quite sure to whom they belong.

An avant-garde artist is survived by his seaside garden.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

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

A wonderfully eccentric Victorian-era museum and library.

This foreboding medieval castle was twice besieged by barons rebelling against the English king.

This historic franken-chapel is the oldest wooden church in the world, at least part of it.

Two gilded cherubs perched on a church bell tower have been reminding visitors of the finitude of life since 1760.

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.

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

London's old-school healing garden.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.