Page not found (404)

Request Method: GET
Request URL: http://chicagohumanities.org/events/2013/animal/temple-grandin/?gclid=CjwKEAjw68ufBRDt0Zmrn4W_8AwSJADcjp1c8n1Utyy3mnJeYdd940H2AEKV1F2Imhly0MZsHZr5SxoChdfw_wcB
Raised by: wagtail.core.views.serve

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.