A New England curiosity cabinet, one hundred years on.

A medical facility that has been kept frozen in time.

Colorful collection of antique musical oddities.

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

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

This mysterious hill seems to pull objects uphill.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

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

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

The only freestanding table rock formation east of the Mississippi.

In an alley not far from where two great highways meet, byways of a very different sort are honored.

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

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

The first artificial white water river course in North America cuts right through an Indiana city.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

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

A giant concrete egg marks this Indiana town as the "Egg Basket of the Midwest."

A concrete block embedded with thousands of pulled teeth was created by a local dentist to memorialize his dog.

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

A chapel built by Italian POWs during World War II tells a forgotten tale of the war on the home front.

A humble homemade ride attracts visitors from around the globe to this small Midwestern town.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.