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

A domino effect created with Britain’s iconic telephone boxes.

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

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

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

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

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

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

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

Collection dedicated to brands, packaging and advertising.

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

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.

This coffee shop lies hidden beneath a historic church.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

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

The television series' iconic giant foot was borrowed from this classical painting.

London's smallest police station is barely the size of a phone booth.

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

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

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

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

A 1,215-foot tunnel transports pedestrians beneath the River Thames.