Based on the clue 'at the las vegas natural history museum a 35 long ...', what is the answer?

Based on the clue 'at the kentucky derby the horses equipment these ...', what is the answer? Based on the clue 'at the knave of hearts trial this witness enters w...', what is the answer? Based on the clue 'at the knights of the garters chapel the heraldic ...', what is the answer? Based on the clue 'at the las vegas house of blues axl got in gear d...', what is the answer? Based on the clue 'at the library or barnes noble isbn', what is the answer? What is associated with: at the lincoln memorial in 1963 he gave his famous i have a dream speech? What is associated with: at the mansion in 2005 southern belle tiffany fallon received this honored title? Based on the clue 'at the mansion is a frieze showing this roman dawn...', what is the answer?