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

London's old-school healing garden.

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

Repository for more than 22 million pickled specimens.

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

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

One of the world's largest collections of pathological specimens.

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

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

The remains of Crystal Palace Great Exhibition of 1851.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

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

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.

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

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

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

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

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

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.