1) The Great Wall of China is a UNESCO World Heritage site and one of the most iconic man-made structures in the world. It stretches over 21,196 kilometers (13,171 miles) and was constructed to protect the Chinese empire from invasions during ancient times.

2) The deepest part of the ocean is the Mariana Trench, reaching a depth of about 36,070 feet (10,994 meters).

3) The Cannes Film Festival, held annually in France, is one of the most prestigious film festivals in the world.

4) The "Star Wars" franchise, created by George Lucas, has become a global phenomenon with numerous films, TV shows, books, and merchandise.