These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

Rare recess caves fill this unbelievably beautiful Ohio park.

The largest earthwork effigy in the world.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

Take a drunken tour inside the world's largest known geode.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This tombstone marks the final resting place of the beloved 1990's character, Ernest P. Worrell.

Kentucky's longest operating jail is now a spooky spot to spend the night.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

The only building in Louisville (hopefully) that contains two ancient holy skeletons.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

One of the first schools in the U.S. to admit students without regard to race or gender.

This grave marks the final resting place of pioneer John Chapman, better known as Johnny Appleseed.

A collection of relics from the Spiritualist Camp Chesterfield.

This turn of the century jail once held Charles Manson.

This bridge was constructed from the remains of the first Ferris wheel.

Enjoy classic musicals with a home-cooked meal at this former staple of American social life.

The lynching and burial site of America's first train robbers.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

This unassuming home was once “grand central station” for the Underground Railroad.

This library and museum is dedicated to the life and literature of the Indianapolis native author.

Display that gathers the basic elements of the universe in one convenient location.