The "Secrets of South Beach Eco-Walk" tour visits the enclaves of South Beach, including Lincoln Road, Meridian Avenue and Flamingo Park. Experience the eclectic mix of architectural styles and view the botanical bounty that complements the district with historian Frank Schena. 9-11 a.m. Tour meets at Regal Cinema South Beach, 1120 Lincoln Road, Miami Beach. Advance reservations and payment required. $20 HistoryMiami members. $30 others. Details: (305) 375-1621 or www.historymiami.org/tours.