1) 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.

2) Sloths only poop once a week, and when they do, they lose about one-third of their body weight.

3) The first modern Olympic marathon race was held at the 1896 Olympics in Athens and has since become one of the most iconic and challenging events in athletics.

4) The Hubble Space Telescope, launched in 1990, has provided breathtaking images of distant galaxies and deep space.