Museum Day is a one-day event in which participating museums and cultural institutions across the country provide free entry to anyone presenting a Museum Day ticket hosted by Smithsonian magazine.
Participants are allowed to download one ticket per email address. The ticket provides free general admission on Saturday, September 21, 2019, for two people.
Here is a list of local participating museums in and around Los Angeles. Visit The Smithsonian website for a museum near you.
Website: https://www.smithsonianmag.com/museumday/museum-day-2019/

Autry Museum of the American West
Los Angeles, CA
Hours: 10:00 a.m. – 5:00 p.m. (PST)

California African American Museum
Los Angeles, CA
Hours: 10:00 a.m. – 5:00 p.m. (EST)
Smithsonian Affiliate Museum
Free Everyday

Carolyn Campagna Kleefeld Contemporary Art Museum at California State University, Long Beach
Long Beach , CA
Hours: 10:00 a.m. – 2:00 p.m. (PST)
Free Everyday

Channel Islands Maritime Museum
Oxnard, CA
Hours: 10:00 a.m. – 4:00 p.m. (PST)

Chumash Indian Museum
Thousand Oaks, CA
Hours: 10:00 a.m. – 4:00 p.m. (PST)

Dr. Willella Howe Waffle House and Medical Museum
Santa Ana, CA
Hours: 11:00 a.m. – 3:00 p.m. (PST)

Flight Path Museum & Learning Center at LAX
Los Angeles, CA
Hours: 10:00 a.m. – 3:00 p.m. (PST)

GRAMMY Museum
Los Angeles , CA
Hours: 10:00 a.m. – 8:00 p.m. (PST)

Heritage Museum of Orange County
Santa Ana, CA
Hours: 10:00 a.m. – 2:00 p.m. (PST)

Japanese American National Museum
Los Angeles, CA
Hours: 11:00 a.m. – 5:00 p.m. (PST)
Smithsonian Affiliate Museum

LA Plaza de Cultura y Artes
Los Angeles, CA
Hours: 12:00 p.m. – 6:00 p.m. (PST)
Smithsonian Affiliate Museum
Free Everyday

Laguna Art Museum
Laguna Beach, CA
Hours: 11:00 a.m. – 5:00 p.m. (PST)

Lancaster Museum of Art & History
Lancaster, CA
Hours: 11:00 a.m. – 6:00 p.m. (PST)
Free Everyday

March Field Air Museum
Riverside, CA
Hours: 9:00 a.m. – 5:00 p.m. (PST)

Mission Inn Museum
Riverside, CA
Hours: 9:30 a.m. – 4:30 p.m. (PST)
Free Everyday

Museum of Latin American Art
Long Beach, CA
Hours: 11:00 a.m. – 5:00 p.m. (PST)
Smithsonian Affiliate Museum

Muzeo Museum and Cultural Center
Anaheim, CA
Hours: 10:00 a.m. – 5:00 p.m. (PST)

Orange County Museum of Art
Santa Ana, CA
Hours: 11:00 a.m. – 6:00 p.m. (PST)
Free Everyday

Riverside Art Museum
Riverside, CA
Hours: 10:00 a.m. – 4:00 p.m. (EST)

The International Printing Museum
Carson, CA
Hours: 10:00 a.m. – 4:00 p.m. (PST)

The Wende Museum
Culver City, CA
Hours: 10:00 a.m. – 5:00 p.m. (PST)
Free Everyday

USC Pacific Asia Museum
Pasadena, CA
Hours: 11:00 a.m. – 5:00 p.m. (PST)