Empire State Building held world's tallest title from 1931 to 1972. Great Pyramid of Giza was world's tallest man-made structure for 3,800 years. Strasbourg Cathedral was world's tallest until 1874
World's first skyscraper was built in Chicago in 1885. Eleven American buildings have held title of world's tallest. New York City and Chicago have been skyscraper centers
B67 TV Tower stands at 2,049 feet (625 meters) in Walnut Grove, California. Built in 2000, it's California's tallest structure and third-tallest guyed mast. Located near Sacramento River, offering panoramic views of Sacramento Valley
Skyscraper is a continuously habitable building over 40 floors. Term first referred to 10-20 floor buildings in 1880s. Definition shifted with 20th century construction technology advancements
Two 88-story twin towers in Kuala Lumpur, Malaysia, standing at 451.9 meters. Designed by César Pelli in postmodern style with Islamic influences. Constructed using reinforced concrete with 23x23 metre concrete cores. World's tallest twin skyscrapers, surpassing original World Trade Center towers
Atrium was central court in Roman domus with enclosed rooms on all sides. Central impluvium pool collected rainwater for passive cooling. Wealthier houses featured marble cartibulum and lararium chapel. Atrium provided shelter while maintaining visual connection to environment