NYPL Map Warper: Historical maps of New York and beyond, aligned to the modern map by volunteers. Retromap: Old maps of Russian and other cities aligned with modern maps.
| NYPL Map Warper | Retromap | |
|---|---|---|
| Category | Historical & Old Maps | Historical & Old Maps |
| Coverage | New York and beyond | Russia and nearby countries |
| Updates | Static archive | Static archive |
| Data source | NYPL Map Division | Archival maps |
| Made by | New York Public Library | Retromap |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Best on a computer | Works well on phones |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with NYPL Map Warper
- Thousands of georeferenced historical maps
- Overlay on modern maps
- Help rectify maps yourself
What you can do with Retromap
- Historical city maps
- Side-by-side comparison
- Many cities and periods
Summary based on public information. Check each map's website for current features and prices.