A vacation is the perfect time to step away from the daily grind and into a new adventure. This fall, stretch your limits with action, adventure and excitement in Myrtle Beach. Challenge yourself by overcoming your fears and trying something new. Here are a few ideas to get your adrenaline pumping and test your boundaries: Catch a Wave Learn how to hang ten on the shores of South Carolina with Jack’s Surf Lessons. Take a private lesson or grab a group for a fun day trying to catch some waves. Create your own waves by renting a Jet Ski at…