A diverse, expansive nature preserve in northeastern Kansas.

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

Inside, ancient treasures. Outside, modern contradictions.

An alternate history park where the Union Army loses the war... to dinosaurs.

Wander through more than 20,000 square feet filled with an amazing collection of orchids.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

The humble horn finally finds a place in the sun.

A castle built by an eccentric medieval enthusiast in rural Ohio.

This abandoned mine and power plant was built atop land once given to Revolutionary War soldiers.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

This magnificent Cincinnati graveyard is also a popular public park.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

An abandoned relic of the city's failed experiment with below ground transit.

Rotting dome home spotted near Chapel Hill, North Carolina.

What is it about mushrooms that makes people wish they lived inside of them?

This quirky curiosity shop takes its cues from the world's bazaars.

The largest earthwork effigy in the world.

A folk art mecca famous among outsider art fans.

Settled in 1696, abandoned after the Revolutionary War.

Ruins of an American Civil War iron forge still survive today.

Home of a 28-foot tall stalagmite known as the War Club.

An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.