Old Maps Of Acadia National Park offers visitors to the site a collection of old maps of Acadia dating back to the 1800's and early 1900's. We also offer a collection of custom made maps of abandoned trails, phantom and ghost trails, and lost trails in Acadia National Park - and all maps are free. Maps cover the Great Cave, Anemone cave, the hanging Steps, the Green Mountain Railroad, Sand Beach, Carriage roads, and many other popular locations within the park.