A regular looking rock with an unbelievable history.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

A rococo retro-futurist future-rustic vernacular between yesterday’s tomorrow and the future that never was.

This hands-on math museum believes in turning concepts into constructs.

A playground built by the kids that is a child's wonderland, and a helicopter parent's nightmare.

The remains of a ruined mansion memorialize the 1906 earthquake.

Floating man-made island and upscale restaurant.

In this century-old literary safehouse, print is alive and well.

Visible below the waves are memorials to the city's Gold Rush dead.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

San Francisco Bay's ghost town.

Historic funicular railway, believed to be the shortest railroad in the world.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

Towering basalt columns, a creation of fire and ice.

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

A trash dump made beautiful by nature's power.

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

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

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

This small red school was where Germany signed their surrender during WWII.

An unusual number plate signifies the building's saucy past.

This futuristic observatory at the top of the Pyrénées offers unrivaled views.