Architecture is a language, one used by institutions to say something about themselves.
The same basic principle is true for the world's spy agencies. All show their secrecy in their buildings, while some may appear starkly utilitarian, and some may even be frightening and alienating. But they also have their quirks and differences, whether it be an isolated complex hidden by trees, in a location that's never been officially disclosed, or a prominent complex built by superstar architects and put on prominent display in the middle of a capital city.
From Virginia to Berlin to Moscow, here are nine of them.