Down at the waterfront in Toronto, there’s an old, decommissioned coal-fired power plant. While I would love to get inside to take pictures, it’s often in use by film crews, so it'd be hard to sneak in. Still, I might give it a try some day.
This is an 18-shot panorama. The high-res version of this is slightly over 64 megapixels. If you wanted to, you could count the bricks.
Mamiya 645 AFD with ZD digital back. 1/500" @ f/2.8, 80mm f/2.8 lens. ISO 160, WB sunlight.