World POI Database

WorldPOIdb is a very large off-line database with 249 countries, 2,820,929 cities and 4,756,590 points of interest (44,745 cities in the free version), including country name, country code (ISO 3166), city/place name, region, latitude, and longitude for many kind of places like locality, road, water, buildings, general terrain and vegetation features.

In addition, WorldPOIdb has a powerful search engine enabling you to find cities or places by keyword, and gives you the ability to export waypoints of your places in KML (Keyhole Markup Language), GPX (GPS Exchange Format), CSV (Tab delimited) format or Microsoft Office Excel (XLS) format.

Limitations:

Limited functionality