This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

The commemorative stone column conceals a secret laboratory.

The Great Fire of London and the regulation of one-way streets both started in this alley.

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

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

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

One of the oldest cathedrals in the U.K. houses a priceless early manuscript.

England's most notorious suicide spot.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

Decrepit Victorian public lift is a white-knuckle ride.

One fisherman has used his love of pebbles and shore to create a crazy garden of rocky art.

Half-drowned wooden stumps and stone blocks are all that remain of a Victorian landing that was destroyed by storms.

A vintage penny arcade hidden in the back of a fun fair-themed bar.

This tiny alleyway is now a shrine to a subculture riot between the mods and rockers.

This concrete monster of a wreck lies in the mouth of Langstone Harbour as a monument to the incredible history of D-Day.

Three tiny islands in a Portsmouth pond are at the center of disputed land claims from a number of competing micronations.

A picturesque garden with a surprising past.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

A rare full-sized statue of one of Britain's famous writers.