With 895,000 records and 1,115,000 names, the Getty Thesaurus Of Geographic Names Online lets you look up position and hierarchical data for geographic features around the world:
The GE Coords program simplifies the job of grabbing coordinates for a point in Google Earth, and putting them into your clipboard, from where you can paste them into the application of your choice.
Neptune By Neptune's diamond oceans! NASA Future humans won't have to wait to travel to Pandora for the chance to mine unobtanium, because Neptune and Uranus may have diamond icebergs floating atop liquid diamond seas closer to home.
Gosse's Bluff, Australia This formation was correctly identified as a meteor impact crater by Aborigine mythology. courtesy of Google Maps