A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

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

This 1920s Dutch barge is now a floating bookstore.

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

A little slice of Japan and its aesthetics in London's Holland Park.

A network of concealed passageways lies within a busy London Underground station.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

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

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A kaleidoscopic warehouse-maze of handmade neon signs.

This abandoned amusement park was built on a site with a dark history.