aka
the swiss re building (because it's theirs), aka 30 st mary axe (because that's the street address), aka the world's largest bullet vibe.
no, seriously, just look at it.
(hiding behind the tower of london)
(so you can see the pattern on the facade)
of course my first 100 thing is a building i know almost nothing about. >.< i'm not even sure why "gherkin" is one of its nicknames. it was designed by sir norman foster and is apparently very green, and that's about all i know. i like it because the pattern of the diamond-shaped exterior panels is really interesting, and i like it because it looks like god's favorite sexual aid, because i am a giant perv.