Just a fun little sight seeing via Google Maps: Indianapolis Motor Speedway.
Update: a nasty freak accident sent a piece of a wing sailing up into the crowd 25 rows back. It appears that a fan was struck, but he supposedly left under his own power.
Update2: Wow! What a finish! Sam Hornish Jr. edges out 19 year old rookie Marco Andretti coming out of the final turn to win by the second smallest margin in Indy 500 history. Michael Andretti finished third after leading with just five laps to go. Danicka Patrick finished 8th.