On a budget, Panathenaic Stadium (Kallimarmaro) still earns its price.
€10 incl. audio guide
Walking out onto the track and standing on the winners' podium under tiers of gleaming white marble is a real kick, especially with the included audio guide and the Olympic torch displays. The catch: it's essentially one big photogenic bowl — once you've walked it, climbed the steps for the view and seen the small tunnel exhibit, you're done in under an hour.