10 most difficult curiosities riddles A list of ten (out of 47) curiosities related questions that are the most often answered incorrectly Curiosities quiz Which of the following cheeses isn't Dutch?Radamer is a Polish cheese produced since 1991. It has been obtained by an accident using wrong bacterial strain sent to the factory by its foreign supplier. very hard 13% LeerdammerLeerdammer7%RadamerRadamer13%MaasdamMaasdam8%they are all Dutchthey are all Dutch69%Created by: Ninjai. Statistics based on 2746 answers in 3 languages »the Netherlands riddles » Who was the first immigrant to arrive at Ellis Island?Annie Moore. Ellis Island served as the United States' busiest immigrant inspection station from 1892 until 1954. Over 12 million immigrants passed through it during that time period. It has been estimated that close to 40 percent of all current U.S. citizens can trace at least one of their ancestors to Ellis Island.very hard 21% Jane DoeJane Doe16%Joan EllisJoan Ellis36%Annie MooreAnnie Moore21%Mary Todd LincolnMary Todd Lincoln25%Created by: Ninjai. Statistics based on 60 answers in 2 languages »peoples riddles » What chemical element gives the blood of a lobster and octopus a bluish tint?Copper. Lobsters,octopus, snails, spiders and other creepy-crawlies have blood that uses copper for oxygen transport. This is called Hemocyanin. Oxygenation causes a color change between the colorless Cu deoxygenated form and the blue Cu oxygenated form. Vertebrates like humans , have iron based blood.very hard 22% CobaltCobalt45%ManganeseManganese22%CopperCopper22%molybdenummolybdenum9%Created by: Tschuka . Statistics based on 103 answers in 2 languages »blood riddles » How many episodes does the American soap opera Dynasty have?220. Soap operas tend to run for decades and feature thousands of episodes, but Dynasty has only 220. It aired on ABC from January 12, 1981 to May 11, 1989.very hard 23% 22022023%1220122026%2200220028%5220522021%Created by: Ninjai. Statistics based on 1285 answers in 2 languages »television riddles » What country has got the most permanent research stations in Antarctica?Argentina mantains the most permanent polar stations - 6|Chile - 5|Russia - 5|Poland - 1very hard 26% ArgentinaArgentina26%ChileChile12%PolandPoland15%RussiaRussia45%Created by: lukasz Poland. Statistics based on 879 answers in 3 languages »Chile riddles » What is deltiology?Hobby of collecting postcards. Officially the biggest collection postcards has got Mario Morby from Great Britain. Contains 1 000 265 pieces. It is officially record in Guinness Book of Records.very hard 27% Hobby of collecting postcardsHobby of collecting postcards27%Science of quantum equationsScience of quantum equations17%Science of winesScience of wines23%Field of medicine, about intestinesField of medicine, about intestines32%Created by: lukasz Poland. Statistics based on 634 answers in 2 languages »wines riddles » What number is considered unlucky in Italy?17. In Italian culture, the number 17 is considered unlucky. When viewed as the Roman numeral, XVII, it is then changed anagrammatically to VIXI, which in the Latin language translates to "I lived", the perfect implying "My life is over."very hard 27% 171727%131318%151512%7741%Created by: Ninjai. Statistics based on 567 answers in 2 languages »numbers riddles » What is the name of an empty tomb erected in honour of a person whose remains are elsewhere?Cenotaph. Although the vast majority of cenotaphs honour individuals, many noted cenotaphs are instead dedicated to the memories of groups of individuals, such as the lost soldiers of a country or of an empire.very hard 28% columbariumcolumbarium25%cenotaphcenotaph28%ossuaryossuary17%kurgankurgan28%Created by: Ninjai. Statistics based on 39 answers in 2 languages » What is the largest galaxy in the Universe?IC 1101 is the single largest galaxy that has ever been found in the observable universe. It's located almost a billion light-years away and has a mass of about 100 trillion stars. very hard 30% IC 1101IC 110130%GN-z11GN-z1116%AndromedaAndromeda35%M87M8717%Created by: Tschuka . Statistics based on 725 answers in 2 languages »astronomy riddles » Where is the largest dollhouse museum in Europe located?In Basel. The Spielzeug Welten Museum in Basel, Switzerland is the largest museum of its kind in Europe. The museum displays over 6,000 exhibits (teddy bears, dolls, play shops, dollhouses and miniatures) in arranged vignettes. In particular, the teddy bear collection is unique over the world in terms of variety and quality.very hard 30% in Praguein Prague20%in Baselin Basel30%in Londonin London16%in Dresdenin Dresden32%Created by: Ninjai. Statistics based on 98 answers in 2 languages »records riddles » Play curiosities quiz and see all the questions.