Hopkins, SC: Congaree National ParkHopkins, SC: Congaree National ParkHopkins, SC: Congaree National ParkHopkins, SC: Congaree National ParkHopkins, SC: Congaree National Park. Bald cypress trees grow “knees” vertically out of the tree’s roots, and loop out of and back into the soil to form woody, knobby protrusions.Hopkins, SC: Congaree National ParkHopkins, SC: Congaree National Park