Photographs in the public domain
All carry a Creative Commons "Zero" (CC0) public domain dedication, you can use them as you please without any licensing requirements or author attribution, as…
—TMK
Wayback Machine List
Public Domain Photos and Images
Dead Sites
55MM.co (CC0 1.0) Free high res photos released into the public domain. License & Legal
CCPik.com (CC0 1.0) Free for personal and commercial use.
Free-images.cc (CC0 1.0) Unless otherwise noted. Naturally, it is asked that the photos not be used in an unsavory way. You get the gist.
Freeepy.com (CC0 1.0) Giving photos a second life by offering them in the public domain.
Good Stock Photos photos can be used in any way except being resold, claimed as your own, added to a gallery without credit, or profited from.
hbr online (standard license, and CC-BY-ND 4.0) – photo blog free for commercial and personal works
Holga and toy camera photography by Clifford Brown (CC BY-NC-SA 3.0)
Lensicle.com (CC0 1.0) Does not include model releases.
Moni’s Photo (CC0 1.0) A passionate photographer who releases all of her photos into the public domain.
OneLeftMedia.com (CC0 1.0) but, you may not sell the images, claim the images as your own, redistribute the images, upload the images to stock photo websites, use the photos for illegal or unsavory purposes.
OpenCage.info (CC BY-SA 2.5) Japanese repository
Photistoric.com (CC0 1.0) “Photistoric showcases high-resolution, curated series of vintage photographs & vintage prints found in the worldwide public domain.”
Photo collections (CC0 1.0) The sites indicates that all of the photos here are in the public domain. Always double check before use.
VeiPix.com (CC0 1.0) Free stock quality photos for personal or commercial use, no attribution required. Down on 6/22/2018
FreeImagez.com (CC By 4.0)
http://turbophoto.com
http://freestock.ca/
Phtoto Credit: https://isorepublic.com/media-author/jakub-gorajek/