A toy store with a century-long history preserves the craftsmanship of playthings of the past.

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

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A quiet memorial to those who died saving others in the heart of the City of London.

Hear the quietest sound from across the dome.

A friendly pub with a sordid past in cock fighting.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

A curious collection dedicated to human and animal anatomy and pathology.

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

Hidden beneath the streets of London is a secret subway that only carried mail.

A naturally mummified 2,000-year-old man.

A cluttered and astounding collection of antiquities and curiosities.

A former plague hospital turned medical museum.

The history and future of cannabis.

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

An unusual round church in London with a Templar past.

Dictionary Johnson’s favorite feline.

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

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

Impossibly life-like natural history models created out of glass by a father and son.

Beautiful steampunk ghosts of early Massachusetts.

A beautiful Victorian-era cemetery, complete with a miniature village.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.