Problem with Google Maps code as the excerpt

Hi, when a post has a map displayed, no matter it's inserted (automatic or via custom post field,) my theme displays the map code as the excerpt. Please see the following:

Post: http://www.travelsizerobot.com/black-white-hostel-review/
Home, displaying the map code as the excerpt: http://www.travelsizerobot.com/

Thank you!