Tweetpaths is a website which lets you plot geotagged tweets on a map.
Simply enter the twitter user on the map page and click the Show on Map button to show that user's tweets on the map. Clicking on one of the markers on the maps will show the details of that tweet.
You can also select start and/or end dates to show a range of tweets, or click the Show Path box to draw a line from tweet to tweet. Adding more users to the map will show the tweets for each user with different coloured markers.
Tweetpaths application by @ianstewi. Copyright 2011-2015 Ian Stewart. http://ianstewi.com.