Walk the whole Mississippi River!

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

The first plantation museum in the United States to focus on the lives of enslaved people.

The world-record holder for the longest bridge stretching continuously over water.

An impressive collection of dollhouses and an homage to the frog-leg canning industry.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

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

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

Before becoming a public park, this spot was a shell midden, a fort, and an amusement park.

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

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

Located in a remote part of a Louisiana wildlife refuge, this tree has been standing for more than 1,200 years.

This sinkhole was created by a tragic industrial accident and continues to ravage the surrounding landscape.

A collection of haunted objects and macabre oddities under one roof.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

This institution collects the history of burlesque dancing with a titillating collection of ephemera and pasties.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

A Tucson museum and performance space full of found-object movable sculptures.

In Tucson a giant metal snake helps pedestrians cross a busy highway.