How do I remove a random slide show appearing under my Google map?

I added a map to my event and the published page shows an odd slide show beneath the map and the text "Filed under: Speak You Mind." The images are not mine and the visual and text views of the page in the editor do not show them or any shortcode that would insert them. How can I remove them??? They're awful and terribly unprofessional looking. Here;s the page: