52-story skyscraper at 620 Eighth Avenue, 1,046 ft tall. Designed by Renzo Piano and Fox & Fowle, completed in 2007. Owned by New York Times Company and Brookfield Properties. Twelfth-tallest building in New York City as of 2023
Castles emerged in Europe after Carolingian Empire's fall in 9th-10th centuries. First castle in Europe is Château de Doué-la-Fontaine, built around 950. Castles served as both military bases and administrative centers. Castles were built by nobility and military orders for protection
Gothic art emerged in Paris during the 12th century. After the fall of the Roman Empire, Europe entered the Dark Ages. Abbot Suger's St. Denis Church in 1137 marked the birth of Gothic architecture. The style combined Romanesque and Byzantine architectural elements
Flat roofs are simple structures with protective parapets. Terraces can be paved areas for outdoor living. Shed roofs slope in one direction only. Gable roofs form inverted 'V' shape, common in village buildings
Gothic architecture named after Goths, a barbaric European tribe. Developed after Roman Empire's fall in 12th-13th centuries. Created during European prosperity and peace after 1000-1400. Influenced by Byzantine, Middle Eastern, and Romanesque styles
The wall is estimated to be 13,000 miles long, not just 1,500-5,000 miles. Built around 500 years ago, not as old as commonly believed. Commissioned by First Emperor before Mongol invasion in 800 AD