Simply brilliant:
the official site for the Gyre (web archive), building designed by MVRDV.
Now construction in Omotesando, Japan.

GYRE OMOTESANDO

Creative Direction : (suit)men
Art direction & Interface Design : Shun Kawakami (artless)
Flash : Hikaru Koike
Design (html) : Kei Kawakami (asobi)
Develop : Grandbase Inc.

Interactive Art (GWR) : tha ltd.

Further info about Gyre at W+K Tokio.