This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

Songwriter Leon Russell transformed this church into a recording studio used by many legendary musicians.

The largest land animal skull ever discovered.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

An acoustic anomaly with a mysterious cause.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

A small-town limestone memorial to a local cartoonist and to Porky Pig, his most famous subject.

A tiny racehorse graveyard in the middle of a quiet Kansas City suburb.

A mysterious local has been dressing the child's grave for decades.

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

This sacred space and gathering spot for the Wyandot Nation has been the surrounded by controversy and confusion.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

The first home of the doomed aviatrix Amelia Earhart.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

Home to Hollywood history and a very special salt crystal.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.