http://www.hiddenincatours.com
Most people have heard of the Nazca Lines, but very few know of those at nearby Palpa, which are in some ways more interesting, and are older. You can come with us and fly over this area on these upcoming tours:
http://hiddenincatours.com/tour/mystery-of-the-elongated-skulls-of-peru-and-bolivia/
http://www.megalithomania.co.uk/peru2015.html