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

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

Symbolic attempt to overcome the issues of life.

A medical facility that has been kept frozen in time.

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.

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

A unique home built by Andrew Jackson Caldwell that also served as a military hospital.

This hidden jockey “walk of fame” celebrates the winning riders of the Kentucky Derby.

A former 19th-century tavern, famous for its peach brandy and honey concoction.

Bizarre and inspired combination store selling only two items: tires and bibles.

A whimsical folk art garden full of punny pieces and a diorama containing 3,500 toys.

Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.

Origin of the blue-skinned Fugates of eastern Kentucky.

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

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

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

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

A local scoured more than 1,000 acres for stone to create his masterpiece.

An enormous natural sandstone bridge in Kentucky.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Moonbows over Kentucky.

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