The bizarre reason tourists are posting shells and sand to Hawaii places MYSTERIOUS parcels filled with rocks and sand are turning up at post offices in Hawaii. Share: Email ThisBlogThis!Share to XShare to Facebook Related Posts:Musical tour, charity run and eating out: Things to do this weekIs it safe to travel to New York? The terror threat REVEALED after 'intentional' explosionAwe-inspiring beauty: Stunning travel snaps taken by school boy using iPadHow Google Maps could SAVE you in a terror attack AND keep you safe on your next holidayGoogle Maps secret function: THIS trick will CHANGE the way you holiday forever