These were structures made from weird materials. In 2022, mushrooms weren’t just for eating — they were also for insulating tiles to use for homes and construction. In 2021, wooden buildings made a comeback, bigger, taller and with an eco-conscious edge. In 2018, a full-time Lego builder in Australia and two-dozen volunteers made a caravan completely out of Lego pieces. Inside Edition Digital’s Andrea Swindall has more.