A 10,000-year-old stone workshop, up in Alaska's mountains

The Gallagher Flint Station Archeological Site is the talk of the town up in Alaska’s Brooks Range. It was discovered in 1970, back when the Trans-Alaska Pipeline was still being assembled. Carbon dating gave it an age of 10,540 years before present, making it the oldest human activity spot in the state at the time. Now it's a National Historic Landmark. The site is divided into three sections - Locality 1, the oldest, dates back around 8,500 years. The other two overlapping areas got some hearths with stone tools, evidence of handy work, and all. It's interpreted as a quarry, where the old-timers were chipping away at stone while keeping an eye out for game in the surroundings.

Sources: Wikipedia, OpenStreetMap, Wikidata, Wikimedia Commons