What is associated with: ill be walking for a while as this structure is more than 3700 miles long and ends in the gobi desert?

Based on the clue 'honey could you take the minivan to the mechanic i...', what is the answer? Based on the clue 'honey its may we gotta call your mom in london fo...', what is the answer? Based on the clue 'honey while youre up can you grab my copy of calig...', what is the answer? What is referred to by 'hours mystery'? Based on the clue 'im going to the racetrac', what is the answer? What is referred to by 'in charge'? What is associated with: in other news during a fishing trip in georgia in 1979 jimmy carter was attacked by a killer o… Based on the clue 'in the morse code alphabet', what is the answer?