The start of my sabbatical adventure

I've been on many vacations before, but this one seems different to me.  While its hard to belive, this is my 7th major international trip and my 3rd that will last for over two months.  My plan is fairly simple, to fly myself to the southern most point possible and work my way north, eventually ending up in Quito, Ecuador.  From there I'll fly home and return to the USA.  My route will cover many types of terrain, climate, and geographical locations.  I'll go from subtropical beaches to vast mountain ranges, to glaciers advancing into the ocean.  This is truely going to be an adventure of a lifetime.