It was the smell that hit me first, a heady mixture of roasting meat, woodsmoke, and farmyard manure. Nearby I could hear a low murmured conversation—but the words were muffled and unclear. I could see piles of stones clustered across the edge of a bleak Cornish moorland hillside and an ominous raincloud gathering over the closest hill.

— Stuart Eve uses ambient aromas from Dale Air (do check out the vast selection!) to enhance an augmented-reality visit to a village in Bronze Age Cornwall. Read more at Finding Out What the Past Smelled Like at The Atlantic. Hat tip to Jirish!