The fifth-longest natural arch in the world, and the longest outside China.

These commemorative stones honor a young woman born in captivity.

Step into the cool deep past and unknown future of who begat who.

Quite simply the largest tree in the world (by volume).

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

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

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

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

This parking garage was the site of what was - at the time - the largest cash robbery in history.

Historic Hull Street was actually the first street with a proper name in the Boston area.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

This landmark cemetery in Boston was created more than 300 years ago.

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

Every year, a Louisiana town remembers a brief Civil War truce inspired by Masonic brotherhood.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

The ceiling of this vintage movie palace is covered in fantastic Art Deco murals.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

The oldest living cultivated fruit tree in North America.

Grave of the man allegedly responsible for a series of infamous murders in Boston in the 1960s.

Like stepping into a spooky fairy-tale, this shop carries the dark ideas of artists and other makers.