Vinland (North America).
He was hoping to find gold.
Yes, there's a park named after him (Leif Erikson Park), and October 8th is Leif Erikson day.
In the year 1002 or 1003.
Leif Erikson sailed back to Greenland to tell his dad.
Mrs. Erikson :)
Leif Erikson discovered America in 1003.
Leif Erikson had one son Thorkell Leifsson who succeeded him as Chieftain of Greenland.
Leif Erikson was one of the most important Viking (from Scandinavia) Explorers. He was Norse, not Polish.
Leif Ericson was born in Iceland.
Actually it was his father, Erik the Red, who found Greenland.
The name of the comic about Leif Erikson is "The Vinland Saga".