Kudos to the brains behind London's 2012 Olympic venues: Because the city won't need all the structures once the games end, many are temporary (and recyclable!).
Of course, London has a long history, and some of the sporting grounds have been around for centuries.
Here, we look at the oldest and the newest Olympic venues in town...
--Marisa LaScala, Condé Nast Traveler
This article originally appeared on Condé Nast Traveler: 15 Things You Didn't Know About London's Olympic Venues