The largest self-built castle in the U.S., six decades in the making.

The highest bridge in America was built for an almost unnervingly small amount of money.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

William Faulkner kept his beloved estate wild and untamed.

A Cajun-style Christmas on the river also involves sky-high pyres and explosives.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

A museum dedicated to the lovable crime couple Bonnie & Clyde, just a few miles away from the site of their early demise.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.