This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

An abandoned warehouse turned art sanctuary in New Orleans.

It's clear this abandoned Art Deco gem was no ordinary cleaners.

The greatest collection of New Orleans masking and processional traditions covering everything from Baby Dolls to Skull and Bone gangs.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

An otherworldly musical haven in The Big Easy.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

The second oldest continuously operating bar in Louisiana.

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

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

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

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

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

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.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

A snapshot of the city's fascinating voodoo culture.

This French cemetery houses some of the most exquisite examples of funerary art in Mexico City.

Murals made with millions of colorful stones adorn the abandoned building.

By night, this auto repair shop turns into a taquería serving up some of the city's finest al pastor tacos.

In Chapultepec Park there is a pavilion gifted to Mexico from South Korea to honor the 1968 Summer Olympics.