Links
http://www.visiticeland.com/ Portal with lot's of information and links to
several service companies
https://www.re.is/iceland-on-your-own/ Busschedules oof REX.
http://s.straeto.is/: Straeto
bus company. They also have and app for the iPhone.
http://www.insidethevolcano.com/ Descend into the crater of the Thrignukagigur volcano.
This page (p) and (c) F. Slangen
Pictures (c) Freek Slangen and Nancy Claus (except in "Homur")