Related Clues:

• Curiosity
• Quirk
• Marvel
• Three-legged calf, e.g.
• Eccentricity
• Peculiarity
• Three-legged calf, for one
• Rare find
• Quirkiness
• Peculiar thing
• 'Believe It Or Not!' item
• Rare bird
• Curio
• Something unusual
• Aberration