The National Atlas of the United States displays several hundred layers of GIS data for the United States. The data is organized into the following categories.
Agriculture (Information about Farms, Livestock, and Crops) Environment (Information about hazardous sites) People (Information about crime rates, economy, food stamps, jobs, mortality rates, population density, etc.) Biology (Information . . . → Read More: United States National Atlas
The NASA Astronauts have been taking photographs of various world cities at night from the Space Shuttle. These images are a great way to visualize urban growth and transportation networks of cities. They also provide some insight into how cities in different countries develop. Some cities are constructed on a nice grid pattern, . . . → Read More: World Cities At Night From Space
Database of approximately 15,000 Aeronautical Terminal Procedure Charts for the United States. These charts consist of Airport Diagrams, Instrument Approach (IAP) Diagrams, Arrival (STAR) Diagrams, and Departure (DP) Diagrams for large and medium sized airports in the US and its territories. These diagrams provide standard procedures for navigating to and from the airports.
Low Altitude Enroute Charts are used for aircraft navigation below 18,000 feet in the United States. The charts show the locations of radionavigations aids (VORs, etc.), airports, intersections, airways, etc. Unlike Sectional, these charts do not show ground topographic and visual navigation features.
High Altitude Enroute Charts are used for aircraft navigation above 18,000 feet in the United States. The charts show the locations of radionavigations aids (VORs, etc.), airports, intersections, airways, etc. Unlike Sectional Charts, these charts do not show ground topographic and visual navigation features.
Flightwise has put together a great collection of near real-time flight tracking tools for Google Earth. These tools display a wealth of information about each flight, such as the location, altitude, heading, speed, Departure time, Estimated Arrival time and aircraft type. In addition, the aircraft are displayed in Google Earth . . . → Read More: Real Time 3D Flight Tracking