Big vistas open up just outside of Reykjavik, but the popular Golden Circle route can get crowded at times. When you pull over to take photos, other cars and even a tour bus may follow you assuming you know something. Auder Osp in her excellent blog http://iheartreykjavik.com says a good way to shake the crowds is to simply take a counterclockwise route and avoid common morning and mid-day tour times.