Covert security was the key when it came to protecting a National Historic Landmark that transports visitors back to a lavish 1907 residence. Iconic American architect Frank Lloyd Wright was commissioned to build a unique residential complex for Buffalo, New York, businessman Darwin D. Martin and his family between 1903 and 1905. Scholars consider the complex of six interconnected buildings as one of Wright’s finest achievements, but the history of the house has been a rocky