A hidden path at the National Theatre lets you look behind the scenes of the latest productions.

The Art Deco artwork depicts gilded carriers of deadly illnesses.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

These morbid carvings remind churchgoers of the inevitability of death.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

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

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

A Roman spa buried deep beneath the City of London.

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

This secluded walkway overlooks a magnificently wild London green space.

Traveling collection of amazing automata.

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

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

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

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

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

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

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.