Geologist cubeb brings a bit of temporal perspective (and a much better slogan than "diamonds are forever") to the thread for Karmakaze's post on the incomprehensible antiquity of the Appalachian mountains.
Tehhund is seeking websites or accounts that document the changing seasons, such as "what annual things are happening in the natural world daily / weekly / monthly ... like different animals starting migration, different flowers blooming, etc." and, relatedly, dusty potato asks for books, apps, or curriculums to "guide me through nature."
Recently on Mefi, people and places around the world, enchanting, mysterious and magnetic:
Good luck finding parking: "The Precarious Architecture of 7 European Cliff Cities"
The REMAINS of Greenland project is attempting to locate and preserve archaeological sites in Greenland before they are lost to the destructive effects of climate change
Italians Compare the Arrival of Starbucks to the Apocalypse: pjsky's roundup of the unthinkable
Grace's Guide to British Industrial History is a project publishing the history of industry in the UK and elsewhere
"Being Iceland, it gets complicated": Saga Thing is a podcast about the Sagas of the Icelanders
Roadtrip like it's 1966: 1966 video photolog trips of selected highways via BC Ministry of Transportation
No vestige of a beginning, no prospect of an end: A short video from the British Geological Survey about Siccar Point