DigitalGlobe's Precision Aerial delivers the industry's first high-quality, wall-to-wall collection of 30 cm natural color (RGB) aerial orthomosaics covering the contiguous United States and Western Europe.
Intermap provides some of the most homogeneous and accurate elevation data available today. Their high-resolution NEXTMap data products provide seamless, wide-area, and current terrain information for the United States.
Download only what you want, in a format you want from OpenStreetMap, the free, editable map of the world.
SeaZone provides comprehensive and reliable datasets for the marine environment and coastal zones, including data for bathymetry, shipwrecks, landforms, and marine installations, such as wells, cables, and pipelines.
TIGER/Line is a database of geographic features, such as boundaries, roads, address information, and water features covering the United States.
The USGS has created digital versions of their popular 1:24,000 topographic maps. These maps portray both natural and manmade features including elevation contours, landforms, and roads.