Planning a trip to Maryland ? With major metro areas such as Baltimore and Frederick, along with top attractions including the National Aquarium, Fort McHenry and Deep Creek Lake; you are sure to have a unique and memorable experience. Take in all the great sights that Maryland has to offer with a rental car from Enterprise Rent-A-Car. Choose from one of our popular airport locations or find the perfect car at a neighborhood branch. Search for a car rental location or browse the list below.