The Hay House is a classic, Italian Renaissance Revival mansion. The building's rich history and beautiful decor make it a historic landmark. The Hay House has four levels and a two-story cupola. It is 18,000 square feet and is filled with 18th-century furnishings and marble finishings. It includes a music room with a 30-foot ceiling, plasterwork with 24-karat gold leafing details, and stained glass. There is also a gift shop that sells Victorian-inspired gift items.