This is not the cell tower you're looking for

These things are all over LA. I had never seen one before I went and it was so strange to me why a company would go to such effort to conceal their product, but also we played spot the fake trees on our road trip after that

Team rocket hideout in heartgold/soulsilver

I drive by one of these every day without noticing it until one of my kids asked if we were almost to school and my 4 year old said "no, we haven't passed the Lego tree yet!"