Powell's City of Books (Portland, OR)
Powell's City of Books, the world's largest independent bookstore, is home to one million books. The store, which takes up an entire city block, boasts a massive collection of both new and used books. There are over 3,500 sections so, no matter how obscure your interests are, you're bound to find a section that's your cup of tea. And don't forget to visit the Rare Book Room to see the collection of autographed first editions and collectible books.