A guide to the world's greatest buildings:

19th century 20th century Abu Simbel American ancient Angkor Wat APL/Corbis arch architect architecture Art Nouveau Baroque became bndge brick bridge bronze Buddha building built carved castle Catalhoyuk cathedral central chapel church classical columns COMMISSIONED completed concrete construction courtyard create culture decorated dome Eiffel emperor Empire engineering entrance Epidauros Eurostar facade Fallingwater famous FAST FACTS DATE feet floor Forbidden City France French glass Gothic Grand Greek Gustave Eiffel Hagia Sophia hall huge interior iron island king Krak des Chevaliers later lighthouse living London Louvre marble masonry massive MATERIALS Stone medieval modern Monuments and Memorials mosque museum Newgrange nght onginal original palace Paris pavilion photolibrary.com pyramids Rapa Nui Renaissance River Roman Rome roof rooms Royal sculpture side space span statues steel structure STYLE symbol tallest temple theater tower Tribune Tower Unity Temple vault villa visitors walls ziggurat