The ancient temple of Hera (late 7th centuary B.C.)  The temple is seen here from the East end.  Some of the columns have been restored.  Picture of Steve in a white tee shirt.

View of the Heraion from the other end.

View of the Heraion from the other end.

Not sure what these pictures are of, but could be the Nymphaion or the treasuries before the entrance to the stadion