10 most difficult buildings riddles A list of ten (out of 18) buildings related questions that are the most often answered incorrectly Buildings quiz What kind of stone was used for the construction of the Panthenon's dome in Rome?Pumice. The porous light stone was used in the concrete of the dome to reduce its weight. Scientists estimated that, if normal weight concrete had been used throughout, the stresses in the arch would have been some 80% greater. The same technique was for the ceilings of the Colosseum.very hard 31% marblemarble21%sandstonesandstone30%granitegranite16%pumicepumice31%Created by: globalquiz.org. Statistics based on 3057 answers in 4 languages »Ancient buildings riddles » This is well known Transamerica Pyramid in San Francisco. But what is Transamerica?Insurance company. Although the tower no longer serves as the Transamerica Corporation headquarters, it is still strongly associated with the company and is depicted in the company's logo. In 1999, Transamerica was acquired by Dutch insurance company Aegon. When the non-insurance operations of Transamerica were later sold to GE Capital, Aegon retained the building as an investmentvery hard 36% airlinesairlines25%insurance companyinsurance company36%container ship operatorcontainer ship operator20%electric utility companyelectric utility company17%Created by: globalquiz.org. Statistics based on 4540 answers in 2 languages »skyscrapers riddles » What was special about the construction of the Empire State Building?It was built quickly and under budget. The Empire State Building took only one year and 45 days to build, or 7 million man-hours. To this day, this is a record for a skyscraper of its height. Due to reduced costs during the Depression, the final costs totaled only $24.7 million instead of the estimated $43 million.very hard 38% it was built on a wooden frameit was built on a wooden frame13%it was built with no detailed plansit was built with no detailed plans23%it was built quickly and under budgetit was built quickly and under budget38%it was built top to bottomit was built top to bottom25%Created by: globalquiz.org. Statistics based on 11480 answers in 2 languages »New York riddles » This tower is one of the most famous tourist attractions of Lisbon. What was it used for?It is a lift. The Santa Justa Lift connects the lower streets of the Baixa with the higher Carmo Square. Since its construction, the Lift has become a tourist attraction in Lisbon. Among the urban lifts in the city, Santa Justa is the only remaining vertical one.very hard 38% it is a watchtowerit is a watchtower17%it is a water towerit is a water tower26%it is a liftit is a lift38%it is an execution towerit is an execution tower16%Created by: globalquiz.org. Statistics based on 7835 answers in 2 languages »towers riddles » What is the tallest man-made structure in France? (not including broadcast antennas) Millau Viaduct. Designed by the French structural engineer Michel Virlogeux and British architect Norman Foster, it is the tallest bridge in the world. The P2 pier of the Viaduct is 343.0 meters (1,125 ft) tall, 19 meters taller than the Eiffel tower.hard 41% Eiffel TowerEiffel Tower32%Millau ViaductMillau Viaduct41%Tour MontparnasseTour Montparnasse9%Tour du Crédit LyonnaisTour du Crédit Lyonnais16%Created by: globalquiz.org. Statistics based on 14915 answers in 2 languages »France riddles » This is the tallest freestanding structure in the Southern Hemisphere. Where is it?In New Zealand. The Sky Tower in Auckland (pictured) is 328 meters or 1,076 ft tall. It has become an iconic structure in Auckland's skyline.hard 43% in Brazilin Brazil12%in South Africain South Africa21%in Indonesiain Indonesia22%in New Zealandin New Zealand43%Created by: globalquiz.org. Statistics based on 9073 answers in 2 languages »New Zealand riddles » Which European city has the largest number of skyscrapers?Moscow. In 2012, seven of the fifteen tallest skyscrapers in Europe were located in Moscow. There are also several high-rise buildings under construction there.hard 45% LondonLondon25%FrankfurtFrankfurt22%MoscowMoscow45%MadridMadrid6%Created by: Kasia. Statistics based on 32130 answers in 2 languages »cities of Europe riddles » Where was this photo taken?In St. Louis. The Gateway Arch is a 630-foot (192 m) monument in St. Louis, Missouri. It was built as a monument to the westward expansion of the United States, it is the centerpiece of the Jefferson National Expansion Memorial and has become an internationally famous symbol of St. Louis. It is the tallest man-made monument in the United States and the world's tallest arch.hard 47% in Chicagoin Chicago20%in St. Louisin St. Louis47%in Dallasin Dallas20%in Yokohamain Yokohama10%Created by: София. Statistics based on 19743 answers in 4 languages »Where was this photo taken riddles » How is this architectural style called?Chicago school. The distinguishing features of the Chicago School are the use of steel-frame buildings with masonry cladding, large plate-glass window areas and limiting the amount of exterior ornamentation. Many Chicago School skyscrapers contain the three parts of a classical column.hard 52% Chicago schoolChicago school52%New YorkerNew Yorker15%neoclassicismneoclassicism13%postmodernismpostmodernism18%Created by: globalquiz.org. Statistics based on 15957 answers in 2 languages »architecture riddles » What is the world's second tallest structure? (after Burj Khalifa in Dubai)Tokyo Skytree (pictured) reached its full height of 634.0 meters (2,080 ft) in March 2011, making it the tallest tower in the world, displacing the Canton Tower, and the second tallest structure in the world.hard 52% Petronas Twin TowersPetronas Twin Towers11%CN TowerCN Tower10%Taipei 101Taipei 10125%Tokyo SkytreeTokyo Skytree52%Created by: Saori. Statistics based on 19558 answers in 2 languages »Japan riddles » Play buildings quiz and see all the questions.