not at all, it is a great tourist destination.
No, Brazil is not an overrated destination. it is a fascinating country and well worth a visit. However be prepared - the average Brazilian does not speak much English!!
No, there's a lot to do in Ireland
It completely depends on your personal opinion.
no, south America is not a overrated travel destination.
No. It is one of the most important archaeological sites in the Americas, built BEFORE the Aztec civilization on 100 BC. On the 'related links section' you can see why it isn't overrated
Rio de Janeiro and its beaches (especially Ipanema).
Not in my eyes, but everyone has their own opinion. Just research Iceland and what you could do if you went there, then you decide if you would make the trip or not.
No
No
No
yes