Answer to the Two Questions Meme
The answer is the Living Roof at the California Academy of Sciences in Golden Gate Park in San Francisco. I took the shot from across the way at the DeYoung Museum with my zoom lens. It's fascinating to see in person and you can learn more by visiting http://www.calacademy.org/academy/building/the_living_roof.php
The picture above is from the Cal. Academy website. If you are ever in San Francisco, this roof is a must see.