This nondescript building hides an entrance to an underground nuclear tunnel system.

An abandoned canal route lies hidden under the streets of Manchester.

Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

This informal museum is a magical trove of anonymous art collected from car boots and flea markets.

This secret garden has bloomed into London's most unique hub of urban creativity.

A 1950s beatnik coffee house, turned 60s counterculture hotspot, turned modern music venue.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

Putting the "mod" in "modular" since 2000.

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

Hackney's newest private museum and natural curiosity shop.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

Taxidermied animals galore, by appointment only.

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

More than a million titles fill the labyrinthine shelves of this prestigious private library.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

The secret wartime bunker built on the platforms of an abandoned Tube station.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

A famous burial ground with a history both grim and literary.

Charles Babbage's proto-computer, painstakingly brought to life.

Traveling collection of amazing automata.

Pop culture has helped to keep this iconic British building from being destroyed.

A historic arboretum and non-conformist, non-denominational park cemetery.

Artists and musicians now rule over this former rail station.