• The Flynn Creek Circus comes to Marin with its new film noir-inspired show, “The Heavy Lift,” from Thursday through Sunday at 610 Coloma St. in Sausalito. Admission is $18 to $185. For more information and to buy tickets, visit flynncreekcircus.com.
• The Gem Faire comes to Marin from noon to 6 p.m. Friday, 10 a.m. to 6 p.m. Saturday and 10 a.m. to 5 p.m. Sunday at the Marin Center at 10 Avenue of the Flags in San Rafael. Admission is free. Go to gemfaire.com.
• San Geronimo Valley Community Center’s second annual Valley Car Show takes place from noon to 4 p.m. Saturday at the San Geronimo Valley Commons at 5800 Sir Francis Drake Blvd. in San Geronimo. Admission is free. Go to sgvcc.org.
• The American Cancer Society’s Relay for Life of Marin County takes place, along with games and other activities, from noon Saturday to 10 a.m. Sunday at Olive Elementary School at 620 Olive Ave. in Novato. Admission is free with RSVP. Go to cancer.org.