TUCSON HISTORIC PERSERVATION FOUNDATION (THPF) IS A 501(C)(3) TAX EXEMPT ORGANIZATION. THPF HAS MANY LARGE PROGRAMS, SUCH AS, THE HOME TOUR WHICH PROVIDES THE TUCSON COMMUNITY WITH THE OPPORTUNITY TO SEE HISTORIC HOMES AND LEARN ABOUT THEIR PERSERVATION, MODERNISM WEEK WHICH IS TO SHOWCASE HISTORUC TUCSON BUILDINGS, DERSIGNERS, AND LANDSCAPES THROUGH A CONFERENCE-TYPE VENUE.