In many cultures and religions, cemeteries (from the Greek koimeterion or Latin coemeterium, meaning sleeping place) are used for death ceremonies, burial, mourning, and memorial. Unusual or historical cemeteries have also become popular tourist attractions- cemetery tourism, the ‘dark’ side of tourism, is a growing phenomenon around the world.
http://all-thats-interesting.tumblr.com/post/34564335914/the-worlds-most-incredible-cemeteries