This knockout museum lies in a sleepy corner of London.

This historic London residence was once the womb of Scientology.

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

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

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

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.

Its collection includes a broad array of social, geographic, graphic design, and political history.

The taxidermied remains of a once-great parrot.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

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

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

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

This peeling mural of Adam and Eve was inspired by the greenhouses at Kew Gardens.

Eclectic final resting place of the controversial explorer.

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

One of the oldest libraries in England, and one of the last of the great medieval chained collections.

The sanctuary seems to either float atop the water or sink into the dirt, depending on the water level.

This 12th-century house is one of the oldest continuously inhabited houses in Britain.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

A scattered trail of street art adds a pop of color to the city's stark structures.