1967 coins - minted for Canada's centennial year. There was a 1967 penny in the same collection where I saw a 1930 on the other day. It's really cool to see coins that carry some historical significance.
Antarctica - Iceberg stripes are formed by layers of snow that react to different conditions. Blue stripes are often created when a crevice in the ice sheet fills up with melt water and freezes so quickly that no bubbles form.