The Hill–Stead Museum was bequeathed by Theodate Pope Riddle before her death to the public. The establishment was built in 1901 in the Colonial Revival style of architecture. The beautiful home was built according to the designs of Theodate Pope Riddle herself, she was one of country's pioneering female architects. The museum is housed in the mansion where a number of paintings, furniture, and other artifacts have been restored and maintained. The estate is popular for its French Impressionists art collection which boasts of paintings from artists like Eugène Carrière, Mary Cassatt, Édouard Manet and many others.