A natural history wunderkammer in the middle of the desert.

During World War II this was the site of an "honor camp" used as a prison for draft dodgers, Native American conscientious objectors, and Japanese-Americans—including a man who brought his case against the camp to the Supreme Court.

A Tucson museum and performance space full of found-object movable sculptures.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

This scrap yard doubles as a naive art gallery full of found art and farm animals.

A subterranean relic of the Spanish Civil War hides below this picturesque park.

These Bullet-scarred bunkers are haunting reminders of the Spanish Civil War.

This air raid shelter from the Spanish Civil War is now a museum dedicated to the history of the city's bombardment.

A sprawling collection of over 106,000 toys from around the world.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Playable, historic pinball machines fill this Alameda museum.

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

A strange house built only at night, with rumored mystic inspiration.

A former electrical substation is now home to an eccentric junk art masterpiece.

America's only nuclear missile silo open to the public.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.