World's largest collection of serial killer artwork and other macabre exhibits.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A psychedelic labyrinth on the San Francisco bay.

A terrific purveyor of natural history objects and curios.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This museum of miniature displays provides a journey through early American history.

Along this stretch of Indiana roadway resides a giant insect composed entirely of scrap metal.

Low-frequency noise compared to an idling train can only be heard by some of this industrial town's residents.

A full-scale replica of a 1774 colonial settlement in Kentucky.

This unincorporated community in western Ohio got its peculiar name from John "Daddy" Baker.

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

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.

The first spinning jail built in the United States is the only one that still turns.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

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

This abandoned cemetery has a dark past of bodies buried over bodies.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

A modern-day wunderkammer dedicated to Indianapolis history, Afrofuturism, and musical vibrations.

The bespectacled, cocktail-sipping pachyderm is a strange but fitting liquor store mascot.

In this relatively flat state the highest point is an honored place.