The world's largest collection of ship figureheads includes figures from legends and history alike, from Sir Lancelot to Abraham Lincoln.

A mysterious suspended hand greets unsuspecting visitors at the Tower of London.

Its collection includes a broad array of social, geographic, graphic design, and political history.

An architectural oddity hides in plain sight on this iconic London bridge.

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

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

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

Public access to clean drinking water was an instant hit among the masses.

Two plaques commemorate the site of Shakespeare's first theatre.

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

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

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

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

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

A Roman spa buried deep beneath the City of London.

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

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The remains of Crystal Palace Great Exhibition of 1851.

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

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.