Loading view. There were no results found. There were no results found. Events Retzer Nature Center Retzer Nature Center S14W28176 Madison St. Waukesha,53188 Get Directions https://www.waukeshacounty.gov/retzernaturecenter/ Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file PAYMENT AND RETURN POLICY