Fireflies. Congaree National Park, South Carolina, USA. http://www.terragalleria.com/parks/np-image.cosw65436.html Light trail of a single firefly. Congaree National Park, South Carolina, USA. http://www.terragalleria.com/parks/np-image.cosw65435.html Congaree river at night from Bates Bridge. Congaree National Park, South Carolina, USA. http://www.terragalleria.com/parks/np-image.cosw65437.html Meadow at night with flying fireflies. Congaree National Park, South Carolina, USA. http://www.terragalleria.com/parks/np-image.cosw65453.html