13. Woomera Prohibited Area, Australia
The Woomera Prohibited Area is located outside of Adelaide, Australia and covers about 127,000 square kilometers. It is a weapons testing range operated by the Royal Australian Air Force and is heavily restricted to the general public. It has been home to British nuclear testing, rocket testing and space probes. The facilities on its ground serve the purpose of designing a wide variety of weapons including missiles, rockets and target aircraft. The land it sits on is rich in mineral elements and is worth billions of dollars for its natural resources. It can only be accessed by special permit holders.