Frank Lloyd Wright’s A. D. German Warehouse in Richland Center, Wisconsin, was completed in 1921 after construction began in 1917, arising from a debt Wright owed Albert Delvino German. One of Wright’s few warehouse designs, it stood in his birthplace and was planned not only for wholesale storage and sales but also for a teahouse restaurant, shops, and an art gallery. The building is notable for its Mayan Revival design, with concrete construction, brick facing, and a concrete frieze inspired by masks of the rain god Chac. Listed on the National Register of Historic Places, it remains an important small-city work in Wright’s career and has been the focus of ongoing preservation efforts.