Germany, Berlin, Gedenkstatte Berliner Mauer also known as the Berlin Wall Memorial Exhibition at Bernauer Strasse, the memorial contains the last piece of Berlin Wall that has the preserved grounds o...

Germany, Berlin, Gedenkstatte Berliner Mauer also known as the Berlin Wall Memorial Exhibition at Bernauer Strasse, the memorial contains the last piece of Berlin Wall that has the preserved grounds o...

Egypt, Alexandria, Citadel of Qaitbay, also known as Fort of Qaitbay.

Egypt, Alexandria, Citadel of Qaitbay, also known as Fort of Qaitbay.

England, London, Tower of London, White Tower from the River Thames.

England, Hampshire, Milford on Sea, Second world war defences at Hurst Castle to defend the strategically important Solent.

England, Hampshire, Milford on Sea, Second world war defences at Hurst Castle to defend the strategically important Solent.

England, London, The White Tower, Tower of London.

England, London, The White Tower, Tower of London.

China, Tibet, View of the Kings Palace hilltop ruins.

England, East Sussex, Watergate medieval gateway entrance to walled town.

England, East Sussex, Rye, Castle and Cannons viewed from Seaward lookout point.