Two Rivers House   1 | 2 | 3 | 4 Your Mission: Determine when the Two Rivers Mansion was built. Was it the 1850s, 1900s, or 1920s? Read this research on houses built in those eras or play the game! Hint: Find the characteristics in each house that only apply to that era. Then you'll have it made! 1850s 1900s 1920s