Leif had to stay in the Hebrides for a month to wait for a terrible storm to pass before he could move on to find more land. The first place they landed didn't have trees, it only had rocks and glaciers. They moved on to Markland. They found forests, and animals. It was a place where they could live.
His biggest accomplishment was the discovery of Greenland. He wanted to discover unknown lands. Leif Eriksson was the first one to discover the northern parts of North America.