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

More than five miles of underground passageways.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

This abandoned cemetery has a dark past of bodies buried over bodies.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

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

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

America's largest man-made forest was planted in an effort to bring back the past.

This erect, phallic geological spire wasn't always named so domestically.

An experimental, automotive replica of Stonehenge.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

An extraordinary mixture of natural beauty and man-made phenomena.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

A source of civic pride, though the reason for its construction is unknown.

A section in the cemetery mostly for circus performers, including victims of the famous 1918 Hammond Circus train wreck.

Chicago’s incendiary role in the labor movement.

This strange, small castle on the bayou has withstood the test of time and weather.

The stone labyrinth in this New Orleans city park was laid to symbolize healing in the wake of Hurricane Katrina.

If New Orleans is the birthplace of the "cocktail," why does their own museum of cocktail memorabilia beg to differ?

The only rotating bar in New Orleans has been slowly spinning since 1949.