This is the Wave Rock (Rock Ola) in Australia. Believed to be one of the oldest rocks on Earth, with million years. Its distinctive shape is caused by erosion of 60 million years. Photo: Getty Images rocks-minerals-gems-and-geology
DRY TORTUGAS NATIONAL PARK is a national park in the USA about 68 statute miles west of Key West in the Gulf of Mexico. The park preserves Fort Jefferson and the seven Dry Tortugas islands, the westernmost and most isolated of the Florida Keys.