This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.

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.

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

Ornate limestone building now filled with geologic specimens, and more.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

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

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

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

Lions and tigers and leopards, servals, pumas, bobcats, lynxes, and ocelots... oh my!

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

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

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

A medical facility that has been kept frozen in time.

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

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

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

A tribute to one of the most famous cowboys on TV, and the consumerism that fueled his popularity.

Abandoned former poorhouse, bible college, and haunted house in an Ohio hamlet.

A suspended garden, now gone, once hung in the middle of this abandoned church.

The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

This small plaza encourages people diagnosed with cancer to never give up hope.

A larger than life statue of a steelworker keeps watch over a closed steel mill.