The University of Arizona's red-brick auditorium has been Tucson's main stage since the Roosevelt era. Centennial Hall at 1020 East University Boulevard opened on 22 April 1937 as simply "the Auditorium," designed by campus architect Roy Place - the man responsible for the university's signature red-brick look - and inaugurated with a two-hour program for 2,500 people that included a cantata called Land of Light, a Thornton Wilder one-act, ballet, football-game films and the crowd singing All Ha.....

The photo finish was invented here, on a rancher's backyard track. Rillito Park at 4502 North 1st Avenue in Tucson opened in 1943 on J. Rukin Jelks's stud farm along the Rillito River and is recognised as the birthplace of modern, formalised Quarter Horse racing - a 91-acre site now listed in its entirety on the National Register of Historic Places. Jelks and Melville Haskell used the track as a laboratory: the first three-eighths-mile straightaway - the chute system that became the world stand.....