A hands-on traveling collection of the innovative devices of yesteryear.

This vast kitty-themed collection illustrates the history of human-cat interaction.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

A retrofuturistic art installation in the Pittsburgh Airport.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

A wacky, UFO-shaped house in a suburban neighborhood.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

One part antique store, one part curiosities hodge-podge.

Continuing the tradition of the dime museum in style.

This folk art dinosaur was almost pushed to extinction due to lack of a building permit.

This sprawling museum holds one man's giant collection of real tanks.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

The early data processor factory founded in Washington for the 1890 U.S. Census went on to become IBM.

A super-sized promotional trick that is now a D.C. landmark.

A computer bug so primitive it was an actual insect.

Home to items never before seen by the public.

More than 5,000 contemporary and "historic" mustards from around the world.

Wisconsin's most celebrated export gets the royal treatment on I-94.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

An Aladdin's cave of old Silicon Valley tech.

You don't want to get caught in this trap--or do you?