City wall in India

The Tomb of Caecilia Metella

Castel dell'Ovo i Napoli

Brougham Castle

Rocky Landscape with Fort

West View of Rhyddlan Castle

Upper Bala Hissar, from West

Chester Castle

Unidentified Castle

Castle on a Hill

Bridge near Toledo

Sunrise, Conway Castle

Pevensey Castle, Sussex

The Fortified Rock of Monaco from the East

View of Snowdon with a Stormy Sky

Ilos, Lycia

Tonbridge Castle, Kent, England

Roslin Castle

View of the Old City of Jerusalem

The Choragic Monument of Thrasyllus

A View of Edinburgh

Winchelsea Castle

Ruins of Chateau d'Arque

Ruins on Top of a Hill

Citadel of Jerusalem, without the Walls, Tower of David