A trip to New Orleans is not complete without a visit to one of the many elaborate cemeteries there. Since all of New Orleans is about 15 feet below sea level, they can't bury anyone in the ground, so all the cemeteries are filled with beautiful crypts (or maybe mausoleums?)
New Orleans is below sea level, just think about that for a minute. They actually have to pump all their sewage up to get it out.
I have no idea if this really is Mary, but I think it should be: