sentences:  The state highway continues southeast where it crosses Wallace Creek before intersecting MD 336 (Lakesville Road) in the hamlet of Crossroads.MD 335 turns north onto Golden Hill Road and enters a series of swamps that make up Blackwater National Wildlife Refuge.After the state highway traverses the Blackwater River, the road heads past the Harriet Tubman Underground Railroad Visitor Center which is located within Harriet Tubman Underground Railroad State Park.