Coffins of the Hapsburg - Crypt of the Stephansdom cathedral - St Stephen (Vienna)
Part of the crypt of the Stephansdom cathedral is an ossuary (catacombs), but unfortunately they do not let people take photos there. They say it's a matter of "respect for the dead", but i think it's really because they want to sell their crappy and overprice postcards with their own photos of their catacombs.
I was not allowed to take this photo, by the way.