The dragon is serpent-like creature with large wings and the ability to breath fire. In many stories, dragons are extremely intelligent creatures with the ability to use magic. In Ancient China, the dragon was the sign of the emperors.
A unicorn is shaped like a horse but with a single, spiral horn growing out of its forehead. They are a common symbol of purity with magical qualities or powers.
Griffin (or gryphon) has the body of a lion and the head and wings of an eagle. It usually has 4 legs, wings and a beak with eagle-like talons in place of the lions forearms. This animal watched over gold mines and hidden treasures and the griffin is often seen in heraldry and architectural decorations.
Mythic Creatures: American Museum of Natural History
Top 10 Mythical Animals on Animal Planet
Kids Encyclopedia: Mythical Beast
The Middle Ages for Kids: Mythical Beasts
Fantasy and Medieval Colouring Pages
Make a Mythical Beast Relief Sculpture