What's the oldest building in the Americas (right after the arrival of the E

Question: What's the oldest building in the Americas (right after the arrival of the Europeans)!?

By "The Americas" I mean everything from Canada to Argentina!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Documented:La Fortaleza in Puerto Rico!. It was built in 1533!.

however there is a tower in New England that some believe the vikings built around 1050!.Www@QuestionHome@Com

Are you counting the Viking ruins or buildings still standing!?Www@QuestionHome@Com

i don't knowWww@QuestionHome@Com