Plan your visit
Join us April 24 & 25, 2027, for City of STEM, the official science festival of Los Angeles County!
This FREE, all-ages event is SoCal’s largest celebration of science, making, creativity, and invention. It’s a full day of hands-on activities, immersive experiences, workshops, live demonstrations, and appearances by renowned creators and science personalities.
Designed to reflect the diversity of the greater Los Angeles region, the festival champions curiosity, creativity, and access to STEM for all—now with programming available in both English and Spanish.
Event at a Glance
Date: April 24 & 25, 2027
Time: 10:00 AM - 4:00 PM
Location: Exposition Park, South Lawn,
900 Exposition Blvd, Los Angeles, CA 90037
Admission: Free!
The event is outdoors and is rain or shine. Please plan accordingly. Most events and exhibitors will be on the grass lawn.
Presented by: Columbia Memorial Space Center
Getting Here
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Exit Expo Park/ Vermont and walk 10 min to the park.
The following transit lines have routes that pass near Expo Park/Vermont Metro Station:
Bus: 102, 2, 550, 754, METRO J LINE (SILVER) 910/950
Light Rail: E LINE
You may qualify for a free ride on Metro! Check out Metro Life and GoPass programs to learn more.
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Parking is available in the surrounding lots and garages.
Rates vary by location.
Arrive early for the best parking options.
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Take a rideshare service to Expo Park! Request to be dropped off at:
3763 S Vermont Avenue, Los Angeles CAThis address is right by our event. Entering “Expo Park” will take you to the other side of the park.
2026 Event Map
Explore the festival grounds and find everything you need!
Festival Moments
Time for a little City of STEM flashback!
