Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.

The secret city built by the Manhattan Project.

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

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Moonbows over Kentucky.

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

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

A full-scale replica of a 1774 colonial settlement in Kentucky.

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

Prehistoric animals decorate this popular outdoor park.

One of the few surviving "Wigwam"-themed motels.

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

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

This replica of the Greek structure is in the heart of Nashville.

The site of the one of the most deadly train wrecks in American history.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

A museum dedicated to the alleged Roswell Incident.

Mysterious meeting place for UFO hunters near Area 51.

If you want to take a peek at Area 51, this is legally as close as you're going to get.

An eatery for UFO seekers on the Extraterrestrial Highway.

An errant donkey ushered in a new era of mining in Nevada.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.