Mariah Reading uses unique canvases for her paintings. When the nomadic park ranger and frequent artist-in-residence finds lost objects and trash while adventuring in state and national parks across America, she paints the surrounding landscape on the item, highlighting waste and showcasing the beauty of the protected areas. She has captured the morning light flooding through the gaps between redwood trees at Big Sur on a lost Croc, mimicked the steep cliffs of Channel Islands National Park on a flipper, and—on a forgotten helmet—depicted riotously colorful fall leaves wreathing the…