All these items are worth thousands of dollars to collectors. Another experienced treasure hunter looks at old maps of towns to see where the old schools once were. He finds the site and if it is abandoned he searches. Once he hit the jackpot and found an old mason jar full of Indian Head cents from 1866, silver Half dollars and quarters, and a 1921 Morgan dollar. This can be at the park, the beach, campsites, abandoned buildings, or anywhere people lose things or hide things.
Tourist spots are a good place to look for lost items.
Think of junk yards, ghost towns, old houses, churches, old battlegrounds, old gas stations, schools and colleges, and around playground equipment. There are thousands of abandoned buildings that are waiting to be searched with a metal detector. One treasure hunter found a purse of gold coins in the rock walls of an old cabin. To search abandoned buildings you must have permission from whomever owns it. Make sure the permission is in written form.