The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

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

English antique dealers with a taste for the unusual.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

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

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

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

A painfully obvious spy house sits right across the street from the Russian Embassy.

A derelict bit of transportation infrastructure hidden in the woods.

Cold War intelligence agents monitored communist embassies from an attic in a former pigeon coop.