Francis Lee Smith spent 20 years building his dream house in Wyoming from reclaimed wood. What started as a one-story home grew into a multi-story tower. In 1992 he fell from the roof and died. Smith Mansion remained empty for nearly 30 years but was bought in 2020. – WTF Fun Facts
Source: https://cowboystatedaily.com/2020/02/02/wyomings-weird-and-wacky-smith-mansion-finally-sold/