32 useful map viewers, archives, and data sources.
Map Directory
Choose the map that fits the question.
Not every map is trying to show the same world. Start with terrain, recent satellite imagery, ocean depth, historical sheets, live Earth systems, or downloadable data—then follow a direct route to a trusted map project.
Global resources plus standout national and regional collections.
Check each provider’s licence, date, scale, and intended purpose.
Quick Start
Three good first stops
These broad, approachable viewers cover the most common needs. The full directory below adds specialist maps and downloadable data.
Terrain & contours
Open topographic map ↗
OpenTopoMap
A readable worldwide topographic layer built from open map and elevation data.
Recent imagery
Open satellite viewer ↗
NASA Worldview
Compare satellite layers through time and explore fires, storms, ice, dust, and land change.
Maps through time
Search historical maps ↗
OldMapsOnline
Search historical map collections by place and date across many libraries and archives.
Full Directory
Explore by map type
Search by provider, place, or use—or filter the directory by the kind of geography you need to see.
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