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

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 Harry Potter films.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

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

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

This one has sailed five times as far as Sir Francis Drake's famous ship.

An artistic tribute to the famous singer, just around the corner from where he was born.

Ship-sized kinetic sculptural fantasy.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

The plunge pool is a surviving relic of a rowdy royal residence.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

A giant scrawl on the skyline of south London.

These morbid carvings remind churchgoers of the inevitability of death.