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

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

The monster at the center of the Darwin Center Spirit Collection.

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

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

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

A historic arboretum and non-conformist, non-denominational park cemetery.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

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

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

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

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

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

Repository for more than 22 million pickled specimens.

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

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

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

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

The remains of Crystal Palace Great Exhibition of 1851.

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

An incarceration museum on the spot of possibly the oldest prison in England.

This 1920s Dutch barge is now a floating bookstore.