Example image of eyePlorer eyePlorer map for 'Skyscraper': Building Empirical Skyline Glossary of nautical terms Sailing ship Chicago New York City Home Insurance Building 1891 in architecture Masonry Monadnock Building 1901 in architecture Philadelphia City Hall Reinforced concrete Fluid pressure Pump Storage tank High-rise Emporis Earthquake Load factor Structural engineer Weight Wind Tower Axis mundi Elevator Glass Granite Steel Ancient Egypt Great Pyramid of Giza Lincoln Cathedral Ancient Rome Classical antiquity Insula (building) Roman Empire Augustus Roman Emperor Egypt (Roman province) Hermopolis Oxyrhynchus Papyri Roman province Middle Ages Florence Towers of Bologna San Gimignano Al-Muqaddasi Fustat History of Arab Egypt