Places Ko Power Wants to Go

Collection dedicated to brands, packaging and advertising.

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

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A tongue-in-cheek arcade where the games are based on everyday life.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A 18th century graveyard and its astonishing cortege of macabre iconography.

This series of Scottish caves has no clear purpose other than baffling historians.

An ancient woodland that inspired a young J.R.R. Tolkien.

A bench and a bridge pay tribute to Birmingham's favorite heavy metal band.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

An archeological treasure trove stumbled upon by a couple of children.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Its collection details the experiences of the largest Japanese community outside Japan.

A former prison complex now displays a historic collection of inmate artwork.

The bookstore with bookshelves built into unlikely places.

The eccentric home of Estevão Silva da Conceição, known as the "Brazilian Gaudí."

The crypts are so large they're basically their own underground church.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

Semi-mystical manmade towers of rocks decorate this rocky seaside.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

A stately palace has been converted into the world's largest cannabis museum.