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

This studio was home to David Bowie's first single, even if it did turn away the Beatles.

The British monarchy's stamp collection is one of the most impressive in all of Europe revealing generations of royal nerdery.

A relic of Victorian grandeur hides beneath a busy South London road.

Where condemned pirates met their grisly end at the gallows on the River Thames.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

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

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

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

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

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

A Roman spa buried deep beneath the City of London.

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

A friendly pub with a sordid past in cock fighting.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

The childhood home of Earth's alien chameleon is a humble Brixton flat.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

Pop culture has helped to keep this iconic British building from being destroyed.

Eclectic final resting place of the controversial explorer.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

A network of concealed passageways lies within a busy London Underground station.

This London plaque marks the spot where David Bowie's famous alien made his debut.