The world's longest known cave system.

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

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

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

Private collection of art inspired by cabinets of curiosity.

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

A beautiful geyser under environmental threat.

Home of an evil witch famous within southern folklore.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

The final resting place of New Orleans' most famous voodoo priestess.

A walk through the historic city center, under the streets of Seattle.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Dramatic river bend surrounds a natural red-rocked pedestal.

A snapshot of the city's fascinating voodoo culture.

According to legend, you must remain completely silent while passing this man-made mound or suffer the consequences.

A Roman-style column in Oregon hides a spiral staircase inside.

A chance to sleep among the firs and pines of the Oregon forest.

A volcanic landmark located on an Ice age lake bed.

Two massive rock outcroppings on the Oregon coastline.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

A volcanic fissure over two miles long and up to 70 feet deep.

Massive crater in central Oregon.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.