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.

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

One English town's celebratory landmark spurred more trouble than anticipated.

One of England's most famous churches hides a pair of little known architectural treasures.

A wonderfully eccentric Victorian-era museum and library.

This charming, narrow-gauge railway in the Thames Estuary is sometimes referred to as the "Train to Nowhere."

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

A rare example of this century-old British tank stands near the center of town in Ashford.

The "Heroine of Dunkirk" rescued over 7,000 Allied troops during the historic World War II evacuation.

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

This former abandoned hospital, a complex of stunning 19th century buildings, once housed 2,000 psychiatric patients.

A showcase of canine neckwear spanning five centuries of doggie fashion and function.