A "hospital" where people went to be quarantined, die, and be buried in the yard.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

One man's vision and a labor of love of many.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

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 former Confederate hospital serves as a remembrance of wounded and dead soldiers.

An abandoned castle owned and ignored by Masons carries a cursed history.

The former estate of the Guggenheims, part of the opulent Gold Coast that inspired the Great Gatsby.

The homestead of American patriot John Adams.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

Colorful collection of antique musical oddities.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

If astronomy had a ghost, it would look like this observatory.

Ornate limestone building now filled with geologic specimens, and more.

Where beautiful signs live on forever.

A suspended garden, now gone, once hung in the middle of this abandoned church.

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

A miniature city built by a single hunchbacked monk.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

This structure among the trees was the result of divine inspiration.

More than five miles of underground passageways.

Enormous lake at the bottom of a unique cave system.