Depends on what you consider America and what you consider European. Of the traditional Age of Exploration, it was Christopher Columbus. Overall, it was probably Leif Ericsson.
A viking from before recorded history
Lief
Ponce de Leon was the first European to set foot in Florida. He was sent as a conquistador from the Spanish empire.
They travelled by foot on land but if on the sea, they would have a boat something similar to an umiak or baydara.
Florida
Although Columbus is credited with making the European discovery of America, of which the US is a part, he never set foot on land that is part of any state of the US.
A person from the Asian Continent crossing the Bering Strait on a land bridge from modern day Russia to modern day Alaska
North America. He was the first European to set foot in North America.
As the first European to set foot on North America.
He was the first European to set foot in North America.
He was the first European to set foot in North America.
As the first European to set foot on North America.
He was the first European first viking to set foot in the new world.
He was the first European to set foot in North America.
He was a Viking explorer, and was the first European to set foot in North America.
He was a European who was born in Iceland. He was the first known European to set foot on and explore North America, except for Greenland.
He was a Viking explorer, and was the first European to set foot in North America.
He was a Viking explorer, and was the first European to set foot in North America.
He was a Viking explorer, and was the first European to set foot in North America.