Scott Weaver of Rohnert Park, California started making the Golden Gate Bridge with toothpicks at the age of 17. Now, thirty-some years later, he's completed an entire replica of San Francisco, with details like the Palace of Fine Arts and surfers at Ocean Beach. Here's a video:
I'm a contributing editor here at Boing Boing. I also have a blog (TokyoMango), a book (Urawaza), and I freelance for Wired, Make, the NY Times Magazine, PRI's Studio360, etc. I'm @tokyomango on Twitter.