The oldest house in Galena, Illinois, now is a reminder of when this city was the world's lead mining capital.

This unassuming city park is home to three different types of Native American mounds.

Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.

The sign to a demolished amusement park now stands in front of a local library.

The famous Beatle secretly visited this Illinois town several times to visit his sister.

This odd stone memorial remembers a loyal dog who offended the rail barons with his speed and saved his master with his pee.

This national park dedicated to the tallgrass prairie ecosystem still displays its military past.

The murals have transformed a residential alley into a vibrant drive-through gallery.

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

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

A towering Art Deco movie palace made to look like a Mayan temple.

This Mediterranean castle was built for a millionaire and his giant dog.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

This folk art wall claims to be the world's one and only memorial to the bygone age of hippies.

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.

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

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

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

The world's third-largest scale model of the planets.

A bloodstain from "the wound of the transverberation of the heart."

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

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

A chance to follow in the footsteps of the word's most legendary animator.

Its eclectic exhibits range from the world’s first motorcycle to Luke Skywalker’s Land Speeder.