Best known as the “Nature Island of the Caribbean” due to its natural parks, tropical rain forests, waterfalls, rivers, and large thermal lake, Dominica has well-developed local government and judicial systems based on English common law, and is a member of the Caribbean Community (CARICOM), the Commonwealth of Nations, the Organisation of Eastern Caribbean States (OECS), the Caribbean Development Bank (CDB), the United Nations, the International Monetary Fund, the World Bank, and the Organisation of American States (OAS).