#4 – Hallmark Cards by kathypotter | Aug 2, 2010 | 365 Activities in Kansas City | 0 comments Visit Hallmark Cards visitor center and celebrate its founding 100 years ago. This free exhibit is well worth the time. www.hallmark.com/100years Hallmark is located in the heart of KC at the Crown Center. Submit a Comment Cancel reply Your email address will not be published. Required fields are marked * Name * Email * Website Comment You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong> Notify me of follow-up comments by email. Notify me of new posts by email.