The living atlas of the world's dams
Every dam on Earth, on one map — and every dam has a file. Explore 41,000+ structures with their usage, architecture, engineering and history, from a 4,600-year-old rubble wall in Egypt to the tallest arch on the planet.
Start with the map, a single dam, or a story
sodood is one archive with three doors. Wherever you enter, everything links back to the map.
The Atlas
A full-screen interactive world map. Pan, zoom, search, and filter dams by usage, height and era. Click any marker to open its file.
Open the atlas →The Dossiers
Every dam gets a structured file: specifications, cross-sections, purpose, and the history of why it was built — and what it changed.
Read a dossier →The Magazine
Essays and stories from behind the walls: engineering deep-dives, history, water politics, and a new dam of the week, every week.
Browse essays →This week in the archive
Aswan High Dam
The artificial mountain that ended the Nile's 5,000-year flood calendar — and drowned a civilization to power another.
Concrete Rivers
How two walls — one at Aswan, one in the Ethiopian highlands — rewrote the oldest contract between a river and a civilization.
Built on open science. sodood combines the world's foundational dam datasets into one browsable atlas, with source and confidence shown on every file.