Schlitterbahn Galveston, is paying it forward to the people who put their lives on the line for us. Military and first responders take advantage of the free admission during American Heroes Week, which is from August 13-25. If you're a member of the military, police, firefighters, or EMTs, you qualify for this promotion. Plus family members will also get a deal 50 percent off their tickets. Make sure you take your military or work I.D. with you to the park and have fun! Oh and don't forget your sunscreen!