From iconic historical figures to Hollywood stars - blue eyes have always been 'in'. Yet, few will have guessed they originated in this small corner of Europe.

Blue eyes have captivated humans for centuries - but how did this rare eye colour come about, and why are people with blue eyes so rare?

Do you have blue eyes? We talked to experts to discover curious facts about baby blues, including whether your biological family is bigger than you ever imagined.

This would explain why only people of European descent have blue eyes. It would also suggest that all blue-eyed people share a single European ancestor. Now, that's an impressive family tree!

While blue eyes are rare globally, over time, they became concentrated in northern and eastern Europe, where the mutation likely provided some advantage. Today, blue eyes are celebrated for their ...