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

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

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

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

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

Explore nearly 400 years of English middle-class home life.

A memorial to a dog that inspired rioting in the streets of London.

London's old-school healing garden.

This South London cemetery holds the remains of more than 15,000 people.

The London statue that imitates passersby.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

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

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

This overlooked street light once served as a KGB dead letter box.

A hands-off space for graffiti artists to hone and display their skills.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

A cluttered and astounding collection of antiquities and curiosities.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

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