1) bombing rubble from Liverpool that makes up the Crosby beach, https://www.atlasobscura.com/articles/liverpool-beach-war-archaeology
2) recent book about "mudlarks" of London's low-tide river Thames who are registered with the bureau for overseeing cultural properties; bits of the past that wash up or erode into plain view become the treasure that trained eyes pick up,
author interview, https://www.npr.org/2019/11/10/777336935/londons-mudlark-pulls-treasure-from-the-thames
ebook link, https://www.amazon.com/Mudlark-Search-Londons-Along-Thames-ebook/dp/B07DP6R4Q1/ref=sr_1_1
and 3) Nazca, Peru is the location of 1000 year old burials that have mummified from the climate's low-humidity, but were desecrated by robbers in the 1920s. This 1.9 minute video introduces the cultural site that has been prepared to allow visitors to view a few examples of the bodies at rest.