According to legend, nobody knows who stocks or owns the "Mystery Coke Machine""in Seattle, but it never runs out of soda. The machine appears to be from the 1970s and features a "Mystery Button" that, when chosen, spits out a random soda that isn't one of the other choices. The machine has a Facebookfan page that claims it's "Always open."
The world's first soft-serve ice cream machine was located in an Olympia Dairy Queen.
Everett is the site of the world's largest building, Boeing's final assembly plant
Washington is home to four of the five longest floating bridges in the world: the Evergreen Point Floating Bridge, Lacey V. Murrow Memorial Bridge and Homer M. Hadley Bridge over Lake Washington, and the Hood Canal Bridge connecting the Olympic and Kitsap Peninsulas.