This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The centerpiece of the Delta Blues Museum is a wooden sharecropper’s cabin that once housed a titan of blues music.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

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

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

An abandoned theme park with a strange and tumultuous past.

A natural history museum with an extensive collection of bird dioramas.

The secret city built by the Manhattan Project.

Enormous lake at the bottom of a unique cave system.

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

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

One person's lost luggage is another person's treasure.

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

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

More than five miles of underground passageways.

Live long and prosper in Tennessee.

This historic train station has been converted to a locomotive themed hotel.

This museum dedicated to an oft-overlooked support industry features a surprisingly moving brass diorama of a man being saved from a sinking car.

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