Most silos are pretty cool inside, or at least fun to climb. Depending on if it's lit or not, you could try going at night. This would be pointless and dangerous if it was lit because of how obvious you'd be, but could make it much easier to get in if it's not lit. Look for windows and ladders. A razor wire fence could often be easier to go under than over. Get to know the place, then go for it.
And to continue the trend