ShotHotspot has mapped 13 abandoned places in Casey, State of Victoria, ranked by how often they're photographed, viewed and voted for. The most popular are Old Crt Tv's, Sec Proposed Lyndhurst Terminal and Former Kfc East Mcdonalds. 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.