The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

This childhood throwback has hundreds of arcade games and pinball machines to transport you back in time.

A 1920s home transformed into an immersive art experience, where every room is a portal to another realm.

An ancient cemetery hides behind a line of disparate chapels.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.

Antiques by the Bay.

An eatery within a Bay Area Buddhist temple pulls off all your favorite Vietnamese classics without the meat.

This surreptitious shop is only open five hours per week.

A hidden world of exotic succulents and cacti.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

A monument to the 16th-century mathemetician who dedicated his life to calculating the numerical value of pi.

A monument to the love people have for their pets.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

A priceless collection of the Nation's cryptologic history.

See the computer’s history revealed over the course of 20,000 years.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

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

From the Difference Engine to the Cray-1, all under one roof.

An extraordinary mechanical calculator designed by the mathematician and philosopher Gottfried Leibniz.

Museum celebrating the history of computers, especially their role in codebreaking.

One of Europe's largest supercomputers is housed inside of a disused chapel.

Have a seat with the father of modern computing at this Manchester monument.

From under the bed of one of the co-founders, this server helped launch the notorious file-sharing website.

More than a century of radio history is told in these displays.