Tweography will pull your most recent geolocated Tweets and plot them on Google Maps. Ready to see where you've tweeted from? Sign into Twitter OAuth to begin!
Twitter's geotagging requires use of a GPS enabled phone (such as the iPhone) and a geolocation-enabled Twitter application (such as Tweetie 2). If you have both of these things then you can enable geotagging on your tweets in two steps: