SPOKANE, Wash. -- Decades-old neon signs are powering on for viewers in Spokane to enjoy very soon. Vintage Neon and Print sells posters, t-shirts and prints all adorned with iconic Spokane landmarks.

Tom Wartman is standing over a rectangle of blue flame and bending glass in his hands. "This fire is about 1,500 degrees," he says casually. He quickly and deftly moves the glass arc from the flame to ...