Children's Summer Workshops Hands-on workshops discover art, science, history and more! For students entering 2nd - 6th grades Wednesdays in June and July 10:30 am - 12 noon $10, $8 for members - Join today! Class fees include entrance to Vulcan Museum and Vulcan Observation Balcony Space is limited; Registration required to info@vulcanpark.org or 933-1409 ext. 26. June 27 - It?s the Longest Day of the Year (Tomorrow)! Celebrate an ancient Roman holiday with an ancient Roman God! The Summer Solstice is June 21st. Let?s celebrate the long hot days of summer by building a ?sun oven? to cook treats and make ?sun tea?!