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

Traveling collection of amazing automata.

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

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

Dictionary Johnson’s favorite feline.

This home on a quiet suburban street is completely covered with vibrant mosaics.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

A clock designed to run with perfect accuracy for 10,000 years.

The largest of London's subterranean rivers and once a mad, bad center of London life.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

Artists and musicians now rule over this former rail station.

London's old-school healing garden.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

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

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

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

Remnants of a Victorian garden feature sitting in public woodland.

A little slice of Japan and its aesthetics in London's Holland Park.