Geography of the European Netherlands European part of the country can be split into two areas: the low and flat lands in the west and north, and the higher lands with minor hills in the east and south. The former, including the reclaimed polders and river deltas, make up about half of its surface area and are less than above sea level, much of it actually below sea level. An extensive range of seawalls and coastal dunes protect the Netherlands from the sea, and levees and dikes along the rivers protect against river flooding. The rest of the country is mostly flat; only in the
European land exploration of Australia European land exploration of Australia European land exploration of Australia deals with the opening up of the interior of Australia to European settlement which occurred gradually throughout the colonial period, 1788–1900. A number of these explorers are very well known, such as Burke and Wills who are well known for their failed attempt to cross the interior of Australia, as well as Hamilton Hume and Charles Sturt. For many years, plans of westward expansion from Sydney were thwarted by the Great Dividing Range, a large range of mountains which shadows the east coast from the Queensland-New South Wales border to