ShotHotspot has mapped 22 abandoned places in Newport, Wales, ranked by how often they're photographed, viewed and voted for. The most popular are Ruperra Castle, Hollybush School and Squatters House Wales Graffiti. Some are private property or unsafe, so get permission before you visit.
We don't know whether you're allowed to visit any of these places. Many are private property, closed to the public or unsafe: get permission from the owner or the relevant authority, and take safety precautions.