These Beautiful, Swirling Images Are Maps of Washington's Geology ( www.atlasobscura.com )
Lidar mapping reveals the land's secrets, usually hidden beneath thick forests.
![](https://kbin.pithyphrase.net/media/cache/resolve/entry_thumb/42/36/4236868c5dbae6724ae73ef99fc7091d163fef15cf0e122a534f1d2342dfedcd.png)
Lidar mapping reveals the land's secrets, usually hidden beneath thick forests.