Ever been to a garden so big that you can easily spend half a day to a full day exploring? Did I mention that said garden attraction is free? Here’s our guide to the South Carolina Botanical Gardens in Clemson, SC.  Do look at the garden’s map before you go, since there are a lot of things to see and do in the garden. You can plot out a route that works for you and make backup plans in case it rains.  Related South Carolina Content on the blog: Parking at the South Carolina Botanical Gardens There is one main entrance to the garden, and yes, you can drive around…