I like the chase, finding the places to explore as much as finding artifacts. Some times it word of mouth and a finger pointing in a rough direction, sometimes it's stumbling on foundations, an almost intact structure, or even an old car deep in the woods wondering how it got there. I've found and explored the remains old mills, barns, some houses, a few factories, a flattened black smith shop, and a charcoal furnace. I think one of my favorites though are old dumps, you never know what you'll find in a dump, and the older, the better.
Some places can be mysteries taking years to find the truth of what they were, the charcoal furnace mentioned above, I was told it was a foundry that made canon balls for the War of 1812, a distillery, and a pottery furnace by various old folk in the area. Another was a large cut stone set in the ground on the ''Wheat Field'' on the Gettysburg Battlefield. Questions about it only led to speculation, ''Must be where an old monument was...'' was the common answer. I found what it was in a book about the monuments, but it had nothing to do with any monument. Seems in the early days of the park, they had a trolley system for tourists and several points of ''refreshment'' which included such attractions as dancing, gambling, prostitution, beer and whiskey. Imagine the problems this created! (apparently they served sandwiches, lemonade, and coffee during the day, but after sunset the menu changed) This led to the creation of the first park police which had small stations throughout the park to keep an eye on things. The stone was part of the foundation of one of those little stations for the early park police. Another was on Little Round Top, close to the most illicit of the ''refreshment'' areas. The trolley and refreshment areas were done by 1916 and the little park police buildings torn down also shortly after leaving only a few foundation stones to mark where they were.
I've found the best part of this exploration hobby to be the human interest stories that accompany the events. Personal tales of those who were there from the commanding generals to civilian children who witnessed the unfoldings of those events. The best authors will salt their books with these tales within the pages of history like, Bruce Catton, Shelby Foote, Stephan Sears, John Priest, and Harry Pfanz. The best though comes from the pages compiled and written by, Greg Coco, he's compiled several books on just human interest stories from Gettysburg.