The USGS LIDAR maps. https://www.usgs.gov/faqs/what-lidar-data-and-where-can-i-download-it https://www.usgs.gov/faqs/what-lidar-data-and-where-can-i-do... ...

The USGS LIDAR maps. https://www.usgs.gov/faqs/what-lidar-data-and-where-can-i-download-it https://www.usgs.gov/faqs/what-lidar-data-and-where-can-i-do... ... direct links from https://prd-tnm.s3.amazonaws.com/LidarExplorer/index.html#/ https://prd-tnm.s3.amazonaws.com/LidarExplorer/index.html#/ then click an area and on the right click an icon to bring up a point cloud viewer... it's fiddly, but incredible. This site for its depth on a niche subject (nike missiles): http://ed-thelen.org/ http://ed-thelen.org/ and for military telecom: https://www.electrospaces.net/p/index_15.html https://www.electrospaces.net/p/index_15.html similarly, for another niche (very old computers): http://bitsavers.org http://bitsavers.org Evan Amos pictures of game consoles on wikipedia are pretty cool because of how comprehensive they are. https://commons.wikimedia.org/wiki/User:Evan-Amos https://commons.wikimedia.org/wiki/User:Evan-Amos nostalgia http://16colo.rs http://16colo.rs