I also made copies of all important papers, (I.E. Passports, Green Card, ....) and put them into a safe place. I told my mother where they are in case i get stranded and need her to help me out with some information.
Scan the documents and send them in an e-mail to your own mailbox(es). In case of emergency and you need the photocopies, all you have to do is look for internet access, download, and then print them out.