Ireland, County Wexford, Tintern Abbey, 13th century Cistercian Abbey.

Ireland, County Meath, Trim, The Yellow Steeple.

Turkey, Anatolia, Ephesus, Mosaic on the floor of one of the terrace houses.

Turkey, Anatolia, Ephesus, A large room within one of the terrace houses.

Turkey, Anatolia, Ephesus, One of the terrace houses.

Egypt, Cairo, Giza, Great Pyramid of Giza, also known as Pyramid of Khufu and Pyramid of Cheops.

Egypt, Cairo, Giza, The Great Sphinx and Pyramid of Khafre, also known as Pyramid of Chephren.

Egypt, Cairo, Giza, Great Pyramid of Giza, Pyramid of Khufu and Cheops, Pyramid of Khafre, Chephren and Pyramid of Menkaure.

Egypt, Cairo, Giza, Great Pyramid of Giza, also known as Pyramid of Khufu and Pyramid of Cheops.

Greece, Crete, Knossos, The north entrance, depicting the charging bull fresco, Knossos Palace.

Greece, Crete, Knossos, The north entrance, depicting the charging bull fresco, Knossos Palace.

Greece, Crete, Knossos, The north entrance, Knossos Palace.