Dovecotes

This remarkably preserved historic structure stands as the last surviving remnant of Corstorphine Castle.

This tall stone wall with no door and ill-matched windows was built centuries ago, and used as a shelter for domesticated pigeons.

A curious structure built just for the birds.

Giant pigeon houses packed into city streets in Egypt.

A corkscrew-shaped barn in Ireland.

These little castles each held thousands of pigeons.