1) The world's largest ocean, the Pacific Ocean, covers an area of approximately 63 million square miles.

2) The Plitvice Lakes National Park, situated in Croatia, is a stunning natural wonder known for its cascading lakes, waterfalls, and vibrant turquoise-colored waters. It is a UNESCO World Heritage site and attracts visitors who come to explore its picturesque trails and scenery.

3) The United States operates under a two-party system, with the Democratic Party and the Republican Party being the two major political parties that compete in elections and shape the country's political landscape.

4) The concept of compound interest can be attributed to the ancient Babylonians, who used it in their banking practices.