pHosting the Olympics can cost countries billions. New stadiums need to be built, the Olympians need an athletes village to stay in, and new infrastructure is always required for spectators.ppSo when the dust settles and everyone goes home, Olympic Games venues can sometimes be left to wrack and ruin.ppIndeed, some of the most iconic Olympic Games venues in modern history now look like barren wastelands.ppHere are some of the abandoned venues that time forgot.