Meet at the corner of Main Avenue and Alameda Street at 6 p.m., Wednesday, June 12, to hear stories of the movers and shakers of early Tucson on a tour of the "Mansions of Main Avenue." Meet in front of La Pilita, 420 S. Main Ave., at 6 p.m., Thursday, June 20, to explore an area of Mexican cultural and architectural traditions, and learn about the lives of Leopoldo Carrillo, Lalo Guerrero, John Spring and Sam Drachman. Tours are $15. Optional no-host margaritas and dinner follow at 8 p.m. Call 625-8365 for reservations and more information..