A collection of 11 million buttons illustrates the human toll of the Holocaust.

The carved remains of a 200-year-old oak tree memorialize the namesake of the iconic "Wizard of Oz" character.

This historic lavatory leftover features two levels of defecation stations completely without context.

This softly rounded mansion was built without corners not to avoid evil spirits, but to make them more comfortable.

This tiny historic jail along Route 66 is the perfect fit for exactly one criminal and their partner-in-crime.

Today this bizarre rooftop phone booth seems like a piece of kitsch but it was once used to spot disastrous storms.

This lagomorph-obsessed Route 66 emporium is home to a giant jackrabbit that sits in a bunny graveyard.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

This cemetery is all that remains of a school for "wayward" girls.

Orthodox church partially financed by Tsar Nicolas II.

A historic and oft-filmed prison stands in a Chicago suburb.

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

Former bath house turns gastropub.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

Buy a token from the liquor store and you can make this beast spew flames on command.

Cemetery featuring rare glass-fronted columbarium.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

The world's largest collection of the world's largest objects is in one small Illinois town.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.