Peter Eisenman's Berlin/Holocaust memorial Light and Shadow. I like the way the structure of the building creates strong impressions of light and dark. Also the juxtaposition between the natural and man-made forces interests me.
(It would be kinda spooky to walk down this hallway at night, specially in the winter with the leafless trees out the windows.) dark and light - black and white - darkness and sunlight - hallway, windows - rustic home
A Chandelier that Projects Tree Shadows. Simply beautiful and fasinating. This chandelier from Hilden & Diaz projects a shadow of trees and roots onto the walls surrounding it. It is called Forms in Nature.