« All Events This event has passed. School Superhero Picnic, Six Flags America May 29, 2018 - June 16, 2018 « Military Days Memorial Day, Worlds of Fun Dive-In Movies, Cedar Point » Catered picnic for groups of 15 or more! Booking.com Booking.com + Google Calendar+ iCal Export Details Start: May 29, 2018 End: June 16, 2018 Event Tags:School Superhero Picnic, Six Flags America Venue Six Flags America 13710 Central Ave, Bowie, MD 20721, USA + Google Map Phone: (301) 249-1500 Website: https://www.sixflags.com/america