1) In Egyptian mythology, the Book of the Dead is a collection of spells, prayers, and rituals intended to guide the deceased through the afterlife. It contains instructions on navigating the perilous journey, avoiding obstacles, and ultimately achieving eternal life in the presence of the gods.

2) The Olympic motto is "Citius, Altius, Fortius," which is Latin for "Faster, Higher, Stronger."

3) The Mona Lisa, painted by Leonardo da Vinci, is one of the most famous and valuable artworks in the world.

4) The unicorn is the national animal of Scotland.