A handy guide updating neighbourhood records in Who's On First!

Map the outdoors & bike to work with Mapzen Vector Tiles

Worldwide elevation data in more places, in higher fidelity, and in more formats.

We're getting ready to power Mapzen Search with Who's on First, Mapzen's open data directory of worldwide places. It's a data source that's going to make it a whole lot easier to search the whole world. If you're an existing user, here's what you need to know and what anyone interested in Mapzen Search can get excited about.

To view mountains from above is to journey through time itself: over ancient shorelines, the trails of glaciers, the marks of countless seasons, and the front lines of perpetual tectonic struggle. Fly with me now, on a tour through the world of elevation data!

A lot has changed since we launched the Mapzen Vector Tiles service last year, including updated documentation, faster & fresher tiles, and new tile data. Plus preview upcoming v0.8 changes.

Exploring the structure of public transport data in OpenStreetMap.

If you’re not from New York you may not appreciate just how wrong the current data for the Gowanus Canal is. ... This sort of discrepancy is exactly what the spelunker was built to uncover.