BOAT CRUISE & LECTURE
A 4-hour talk on the contemporary and historical development of Miami aboard the Heritage of Miami. Speaker: Aristides Millas, UM professor of architecture. $25; $20 for members of Dade Heritage Trust, $12 for children. Noon. Details: (305) 442-9697.
VOLUNTEER SHORELINE CLEANUP
"19th annual Baynanza Biscayne Bay Cleanup Day" is presented by the Miami-Dade County Department of Environmental Resources Management at 29 sites. Call for schedule. 9 a.m.-noon. Details: (305) 372-6474.
BAY BASH WEEKEND
Second annual event, featuring more than 30 antique autos on display, entertainment, food, arts & crafts, activities for children and nature tours. $7; $3 for children. 10 a.m.-6 p.m. The Deering Estate at Cutler, 16701 SW 72nd Ave. Details: (305) 235-1668, ext. 225.
SPRING GARDEN BOAT TOUR
Walking and boat tour southeast of the Civic Center complex. Organized by the Spring Garden Civic Association. $15. 11 a.m.-4 p.m. Details: (305) 324-7527.
BAY BASH WEEKEND
Day two. $7; $3 for children. 10 a.m.-6 p.m. The Deering Estate at Cutler, 16701 SW 72nd Ave. Details: (305) 235-1668, ext. 225.
ZETA 94 BONZAI FESTIVAL
The Offspring, Cold, Spacehog & others in concert. 3:30-midnight. AT&T Bayfront Park Amphitheater, 301 N Biscayne Blvd. Details: (305) 358-5885.
Guided tour of Matheson Hammock on Old Cutler Road organized by the Tropical Audubon Society. 7:30-11 a.m. Details: (305) 666-5111,
WALK FOR HOPE
Held in association with Parkinson's Disease Awareness Month to benefit the National Parkinson Foundation. $20. 8 a.m.-1 p.m. AT&T Bayfront Park Amphitheater, 301 N Biscayne Blvd. Details: (305) 243-2985.
Speaker: Maureen Finnerty, superintendent of Everglades and Dry Tortugas national parks. Organized by the Tropical Audubon Society. 11 a.m.-2 p.m. Details:
FESTIVAL ARGENTINO EN MIAMI
Televised event featuring Divididos, Diego Torres, soccer stars, food. Noon-midnight. AT&T Bayfront Park Amphitheater, 301 N Biscayne Blvd. Details: (305) 358-9911.