A 30-foot stack of piano keys memorializes one of the greatest keys players in jazz history.

This unique collection collects pieces of art etched into thin pieces of stone.

Halloween spirit is alive and well in this small town, where residents race motorized caskets in a yearly tradition.

All that remains of a gigantic earth-moving machine.

One man's vision and a labor of love of many.

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

Historians and hobbyists head to this former French outpost for the annual Feast of the Hunters' Moon.

World's largest collection of Coke-related items not held by the Coca-Cola company.

Tombstones carved to look like tree trunks are used for multiple generations of family members.

An unknown number of cholera victims are buried in two nondescript graves.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

The only freestanding table rock formation east of the Mississippi.

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

One of the last few period-correct, hand-operated canal locks in the country.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

The nearly 200-year-old building displays a perplexing grammatical error.

An abandoned asylum incorporated into a college campus.

It took more than 20 years and a sharp eye for one man to assemble this quirky collection.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

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

The longest navigable underground river in the United States is home to countless blind and albino animals.

One-layer pyramid in Indiana.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.