30+ neon art and vintage pieces with explanatory texts.  Firestone Building, 32nd & Market Sts., Phila.  Visible from street, illuminated daily 10:30am to 10:30pm.  Free

Two vintage signs and a neon clock are displayed in these offices.  1608 Walnut Street, Suite 1702, Phila.  To schedule a visit, call (215) 546-1146.  Free