Seattle's a great city to visit - been there twice. Take silentguy up on his offer. You won't regret it. Subterranean Seattle is unusual, the pile of guitars in the Experience Music Project rises like a fountain, the Space Needle is worth a trip up even if it goes back to the 1962 World's Fair, a floatplane tour over the city coming into land, or rather to "lake", sticks in the memory, free buses in downtown Seattle is a great bonus (even if most of them run below street level), and the just-wonderful Elliott Bay Books is worth a lot of time. Nearby is a basement jazz record shop and a little beyond the Space Needle, in the Queen Anne district, is (was?) a pretty good second-hand record shop. And I haven't mentioned Pike Place Market, Boeing, Microsoft, Starbucks, Frasier, Sleepless in ... or floating bridges for that matter. And it's close to Canada, so you can get two holidays in one.
And did you know, there's a little bit of the USA that juts out south from the border with Canada, that, by land, can only be reached by driving through a bit of Canada. It's cut off from the rest of the states rather like Alaska but much, much smaller, of course.