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

The remains of this visionary community can still be found much as it was a century ago.

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

The world's longest known cave system.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

An abandoned theme park with a strange and tumultuous past.

Prehistoric animals decorate this popular outdoor park.

Once one of the most polluted caves in America, now an environmental success story and a museum dedicated to caves.

This calm grassy field was once a Superfund site full of thousands of nasty chemicals.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.

View Kentucky's beauty and history from the perspective of painter John James Audubon, author and illustrator.

A tribute to a 13-year-old boy who was kidnapped in 1793 and escaped over two years later.

At this privately owned collection, conflicts are humanized through soldiers’ personal belongings.

Home to a collection of artifacts and specimens from one of the world's preeminent geologists

A massive, 76-foot-high version of a Van Gogh painting in Canada’s sunflower capital.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

Symbolic attempt to overcome the issues of life.

A ceramic-tiled room at the Seelbach Hotel said to have secret tunnels used by Al Capone and a crowd that helped inspire F. Scott Fitzgerald's 'The Great Gatsby.'

A curiosity-seeker's paradise set inside a three-story historic school house.

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

You thought Santa Claus didn't exist, but it turns out you were wrong.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

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