A friendly pub with a sordid past in cock fighting.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

Once a train station along the Great Eastern Railway this vibrant coffee shop and bar is where members of London’s creative class mingle.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

A famous burial ground with a history both grim and literary.

A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

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

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

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

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

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

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

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

London's old-school healing garden.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

A mysterious artist-run cabinet of curiosities and library.

The final resting place to 300 Victorian-era pets hides inside the city park.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

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

The anatomical-pathological collection of a man who changed surgery.