"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

A psychedelic labyrinth on the San Francisco bay.

This coffee shop lies hidden beneath a historic church.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

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

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

A building that survived WWII, possibly on the virtue of its name alone.

Public access to clean drinking water was an instant hit among the masses.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

An architectural oddity hides in plain sight on this iconic London bridge.

A tiny replica of the iconic London landmark hides on the side of the steel structure.

England's most famous front door has an accidental doppelganger.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

A miniature train theme park, free to the public, laying at the base of the Santa Monica Mountains.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Tiki luxury on Nob Hill.

Originally the home of chewing gum mogul William Wrigely Jr, it is now the official offices of the Tournament of Roses.

From Japan to Italy, this California park explores the world's cultures through their gardens.

A couple turned their front yard into an artistic masterpiece.

Acres of natural wonders left behind by a socialite-turned-gardener.