Here is a great meme running through the architectural websites today; adding a romantic message to a famous building. Architect Jody Brown made a few and was sent some more; Here are a few of buildings that we have shown on TreeHugger in some form or another, such as Mies van der Rohe's Farnsworth house:
Then Daniel Eisenger sends in some, including one of my favorite houses, the Loblolly House, which owned TreeHugger for a while.
Loblolly House: Pictures at Last
Loblolly House in Architectural Record
The Wired Home Goes Green: First Pix of Loblolly House
What Makes a Building Green? Kieran Timberlake Architects
And finally, Metabolist architect Kisho Kuokawa's wonderful 1972 capsule tower.
Kisho Kurokawa 1934-2007
Icon of Modern Prefab to be Demolished
Another One Bites The Dust, Part 2: Nakagin Capsule Tower
Another style on Architizer