Massive Lake Superior waves batter the shoreline of Tettegouche State Park in Silver Bay, MN | Nathan Klok Photography

Looking for a fun, new adventure? Visit Calvert Cliffs State Park located in Calvert County! The massive cliffs, from which Calvert Cliffs State Park was named, dominate the shoreline of the Chesapeake Bay for roughly 24 miles. They were formed over 10 to 20 million years ago when all of Southern Maryland was covered by a warm, shallow sea. When the sea receded the cliffs were exposed and began eroding. Today these cliffs reveal the remains of prehistoric species, including sharks, whales, rays