Spontaneous Gallery 400 W Main St, Waukesha, WI53186 Spontaneous Gallery is an art gallery and design services company. The gallery features all types of designs, including…More African and Indonesian sculptures and tribal abstract art; art shows change monthly. The company also offers numerous design services, including graphic design, Web site design and printing. Some services include design of logos, business cards, marketing work, postcards, flyers, magazines, books, menus and much more. Check the main Web site for a full gallery of past examples or for details on the gallery.