All the answers contain a place name
1 samuel johnsons extensive view(4 5 2 4 )
2 novel take on the volcanic ash cloud (3 4 4 2 7 }
3 noted flower from brazil(4 2 6 )
4 novel beauty from up north or down under(3 4 4 2 5 )
5 not an outsize steak in sydney ,this coastal feature (5 10 5 )