I don't know about you, but I'd totally bang Bejing's 2008 Olympic's stadium. I mean, I'd warm it up first, of course, and here you can use your imagination--I'm a modest man--but damn, that thing gets me hot.
"There are two layers of translucent membranes: an outer layer fills the spaces in the structure of the stadium to make the roof weatherproof and an inner layer acts as an acoustic ceiling inside the roof structure"