World database of airports and airspace - Over 11,000 airports for every country (even in Antarctica.. is this the first Google Map for this location?) Maps surrounding airspace mapped out with a polyline on the Google Map.
World Sunrise/Sunset Times - Zoom in and click on any location on the map to get sunrise and sunset times for that location (Click 'Calcular'). Map interface is in Spanish but timetables are in English.
World database for the Church of Christ - This map is an extension of the text search tool that lets you find a Church of Christ for any location in the world.