the david hyatt van dolah house (locally known as the castle) is a historic house located at 10 north spencer street in lexington, illinois. the house was built in 1898 for david hyatt van dolah, a prominent local landowner best known as an importer and broker of french horses. architect george h. miller, one of the most well-regarded architects in the bloomington area, and his partner james e. fisher designed the house in the queen anne style. the front of the house features a large round turret on one corner, a wraparound porch, and a large stepped gable opposite the turret. the house's exterior is decorated with brickwork patterns, a slight departure from the ornamental woodwork usually used to side queen anne homes. the hipped roof of the house features cross gables, a cone atop the turret, and several pinnacles and spires.