The Vizcayans presents the 11th annual Evening Under the Stars: Venetian Nights. The fundraising event includes food, music, dancing, guided tours and silent auction. Proceeds will go toward maintenance and support of Vizcaya Museum & Gardens. 7 p.m. Vizcaya Museum & Gardens, 3251 S Miami Ave., Miami. $45-$75. Details: (305) 856-4866 or www.vizcayans.org.
Miami-Dade County Sister Cities Coordinating Council presents the Miami-Dade County International Citizen of the Year Award to Coral Gables Mayor Don Slesnick, and The Walter Loy Service Award to Walter A. Loy, former dean and chair emeritus, Miami-Dade County Sister Cities Coordinating Council. All proceeds benefit the Miami-Dade County Sister Cities Program. 5:30 p.m. Port of Miami. RSVP by Friday. $50. Details: (305) 375-5280.
University of Miami celebrates the restoration of John C. Gifford Arboretum. UM President Donna E. Shalala will give opening remarks followed by a lecture by research ecologist Julie S. Denslow of the US Forest Service, 6 p.m. John C. Gifford Arboretum, intersection of San Amaro Drive and Robbia Avenue, Coral Gables. Free. Details: (305) 284-5364.
Big Brothers Big Sisters of Greater Miami celebrates its 50th anniversary with the Big Event 2008, a fundraiser where all proceeds go toward Big Brothers Big Sisters of Greater Miami. Includes cocktails and auction. Limited seating. 7:30 p.m. Legends Ballroom at the Doral Golf Resort & Spa, 4400 NW 87th Ave. $750-$50,000. Details: (305) 644-0066 or www.wementor.org.
Jewish Museum of Florida presents a lecture by Allen Bellman, who was an artist at Timely during the golden age of comics such as "The Human Torch" and "The Patriot." 3 p.m. 301-311 Washington Ave., Miami Beach. RSVP required. Details: (305) 672-5044, Ext. 3175 or www.jewishmuseum.com.
The 57th annual Miami-Dade County Fair & Exposition includes rides, food and entertainment. Ends April 13. Children 5 and younger free; others $9. Fair Expo Center, 10901 Coral Way. Details: (305) 223-7060.
Miami-Dade Public Library System presents grand opening of the Sunset Branch Library. 10:30 a.m. at Sunset Branch Library, 10855 SW 72nd St. Details: (305) 270-6368.
The Miami Spring Home Design & Remodeling Show. Ends March 31. Miami Beach Convention Center, 1901 Convention Center Dr., Miami Beach. Details: (305) 667-9299 or www.homeshowspecials.com.