Since it formed millions of years ago, this cave system has been a sacred burial ground, a Prohibition-era speakeasy, and the center of an amusement park.

Elvis's own personal tropical hideaway.

Bad farming practices caused this unnatural natural wonder.

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

Follow the steps, and this roadside artwork will teach you how to dance.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

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

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

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

These boots are made for selfies.

It was once the base for a series of domestic terror attacks.

An overlooked memorial honoring the local Washington residents who died in World War I.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The "lovely red Vega" of the legendary record-settling pilot.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

Home to items never before seen by the public.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The second oldest continuously operating bar in Louisiana.