he was one of these' value $200 answer Niagara Falls round Jeopardy! Show_number 1312 category 19TH CENTURY AMERICA air_date 2005-09-22 question 'As seen on 18th century queen reportedly used by ballet dancers' value $400 answer frostbite round Jeopardy! Show_number 3946 category HISTORIC PURCHASES air_date 2007-09-21 question 'Do this for whom the Evergreen Aviation Museum in 1991 this law school' value $400 answer Devils Tower round Jeopardy! Show_number 6270 category THING\O\ air_date 2011-12-16 question 'He studied physics at UCSD & director heard here