Argentina
24h road trip with 80% stop & go traffic jams during the hottest time of the summer, being out of gas, your car gets broken in while paying for gas -or- flight with ALL the annoyances (first delayed, waiting for hours, then cancelled, then 5 stops with much time between the flights to get to your destination, lost luggage, screaming/whining children on every flight, worst seat on the whole plane, ...)?