ShotHotspot has mapped 18 abandoned places in Lazio, Italy, ranked by how often they're photographed, viewed and voted for. The most popular are The Colosseum, Tempio di Saturno and Marcigliana Rudere Ruin Asylum. Some are private property or unsafe, so get permission before you visit.
Top abandoned places in Lazio, Italy
The Colosseum - 45 photos; architecture, urban, abandoned
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.