Four miles of pipelines form the model of still-functioning retro-tech efficiency.

The park that the Chicago Stockyards built.

A schoolhouse and chapel are all that remains of this alpine village.

A unique seaside cave where Aleister Crowley faked his own death.

The cobbled together compound of a deceased artist which now serves as a filming location.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

A collection of grotesques lines the walls of this Italian villa.

A monument to the art of slicing people open.

Where Aleister Crowley taught magick in "La Chambre Des Cauchemars," his "Chamber of Nightmares."

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

This ultra-modern burial building would have stacked the dead like a giant filing cabinet.

A 140-year-old castle with underground caves hidden in San Francisco.

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

This odd California folly seems like it was almost designed to accumulate urban legends.