On this map you can find all the most important sights of Iceland. All attractions are shown on the google map, which means it will be easy for you to get directions to the place you want to visit. Most of attractions has attached photo and description. If it's hard to find then specific directions.
And if you are too lazy to choose the season and plan yourself, you can always join a group of the same adventurers, where everything has already been planned and thought out. Or use the help in planning and choose a tour on the largest site with offers in Iceland from local companies GuideToIceland