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.

Tanzania, Zanzibar, Stone Town, The amphitheatre taken from the House of Wonders.

Tanzania, Zanzibar, Stone Town, The amphitheatre seen from the House of Wonders.

Turkey, Izmir Province, Selcuk, Detail of Corinthian column at the site of the Temple of Artemis, once considered one of the seven wonders of the ancient world.