The Nullarbor is a vast, flat, and arid region in southern Australia, stretching over 1,100 kilometers (about 684 miles) from east to west. It is known for its unique landscape, which includes limestone cliffs, sparse vegetation, and a lack of trees. The name "Nullarbor" comes from the Latin words "nullus" (no) and "arbor" (tree), reflecting its treeless nature. This region is part of the larger Nullarbor Plain, which is home to diverse wildlife, including kangaroos and emus. The Eyre Highway runs through the Nullarbor, connecting the cities of Perth and Adelaide, making it a popular route for travelers seeking an adventurous road trip across Australia.