Online Resources
A digital library of more than one million high-resolution images. Includes an extensive collection of photographs and plans of architectural works, drawings, plans, and city scenes.
A collection of global geographic information from Esri and its partners, including maps, apps, and data layers.
Offers free downloads of over 200 metropolises. The files contain closed polyline layers for buildings, streets, highways, city limits, and geographical data, all ready for use in CAD programs. To activate the free downloads, sign up and enter "Mapacad" as the coupon code when payment is requested.
Digital scans of maps, both historical and current.
Digitized maps from locations all around the world and different time periods.
A variety of aerial and satellite imagery that can be searched by location and time range. Then click "Search" in the lower left corner of the window. Some historical images are included. To access the highest resolution images users must register (free). Image download time can be excessively long.
Browser for open satellite imagery that can be browsed, filtered, sorted, and downloaded. Filters at the top of the map can be used to select a new date range, cloud cover percentage, and sun azimuth angle.
Interactive map of the U.S. featuring detailed aerial imagery. Select "imagery" in upper-left corner for aerial view. A variety of data layers are available from the "overlays" toolbar.
An interactive world map from National Geographic that allows users to investigate and compare global trends related to human environmental impact such as consumption of resources, forest loss, migration, and more.
Interactive maps and downloadable data for regional and global geology, geochemistry, geophysics, and mineral resources from the USGS.
A catalog of geologic and geoscience maps. Specify the area you'd like to explore and choose geologic features.
Map plotted with up-to-date data on recent earthquakes.
Digital scans of maps and atlases that were originally published in print.
Maps of L.A. and southern CA throughout history. Includes a map from 1639 depicting California as an island!
Interactive series of maps that include Europe, Middle East, North Africa, and North America.
An interactive version of the 1748 Map of Rome by Giambattista Nolli, widely regarded as one the most important historical documents of the city ever created.
High resolution maps from atlases. Made available by David Rumsey Cartography Associates.
Historical maps highlighting physical and political geography, natural resources, land use from California's past.
.
Interactive map of L.A. that overlays statistical data in a variety of categories including education, crime, age, and income.
General geographic features of the state, historical maps of cities, topographic maps of parks and other areas of interest (digital images of print maps).