MYSTERY PHOTO:  Ornate building near a marsh

Here’s a fairly ornate building with a marsh in the background that looks like it could be a small chapel.  But it’s not.  So what is it and where is it?  Send your best guess to:  editor@charlestoncurrents.com — and make sure to include the name of the town in which you live.  Please also write “Mystery Photo” in the subject line.