what are fun things to do in philadelphia?
Philadelphia Zoo Wagner Free Institute of Science African American Museum in Philadelphia Liberty Bell Rodin Museum Independence Hall Boathouse Row Academy of Natural Sciences Reading Terminal Market Franklin Institute
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 The quiz was set in an hourglass @-@ shaped structure located on a roof in midtown Manhattan . An indoor set in the same building was also constructed for use during the non @-@ prime time portions of the game and for any inclement weather situations , as occurred on Day 4 . Contestants played in a quiz competition that ran 24 hours a day for 1 @,@ 000 @,@ 000 seconds , or about eleven and a half days . 

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 By the weekend , the presence of the State Guards had become a curiosity . Larger than usual crowds strolled in the center of the city . Thousands attended a band concert on the Boston Common . " The shootings of the last few days for interference with guardsmen , " said the New York Times , " seem to have had a marked effect . " 

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 = = = Funfair and amusement parks = = = 

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 As of 2008 , the event has also spread to Seattle 's Cal Anderson Park as an annual celebration . 

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 The alleged curse of Billy Penn was sometimes used to explain the failure of professional sports teams based in Philadelphia to win championships . In March 1987 , One Liberty Place , a 945 @-@ foot ( 288 m ) tall skyscraper , opened three blocks from the 548 ft ( 167 m ) high statue of William Penn atop Philadelphia City Hall . For many decades , a gentlemen 's agreement stated that the Philadelphia Art Commission would approve no building in the city that would rise above this statue . The supposed curse had gained such prominence in Philadelphia that a documentary film entitled The Curse of William Penn was produced about it . 
