On The Amazing Race Season 31 Episode 11, there was much drama when the final four teams raced through London.
Then, they took a helicopter ride to Dover Castle, and then on to Detroit.
Once there, they scaled the 500 feet Guardian Building.
But who managed to win first place, and the cash prize?
Meanwhile, one couple struggled as the final challenge approached.
Who left early?
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.