Embarcadero
Saturday, March 14
2026 Pi (π) Day Celebration at The Exploratorium
Exploratorium celebrates its own homegrown holiday. March 14th (3/14) commemorates the irrational, transcendent, and never-ending ratio that helps describe circles of all sizes. Explore math-inspired activities and presentations, join the Pi parade and eat a free piece of pie. Come for the STEAM and stay ...
Friday, March 27
San Francisco Critical Mass (Last Friday of the Month)
Critical Mass is a mass bicycle ride that takes place on the last Friday of each month in San Francisco. Meet and 6pm, ride at 6:30 pm from Embarcadero Plaza (foot of Market Street) and in cities around the world. Everyone is invited. No one is ...Monthly
Wednesday, April 1
SF’s 48st Annual “St. Stupid’s Day” Parade 2026
The Annual St. Stupid’s Day Parade is a celebration of stupidity.
On April 1, it’s time for yet another parade in honor of Saint Stupid, patron saint of Civilizations and Parking Meters.
48st Annual St. Stupid’s Day Parade
Wednesday, April 1, 2026 | Noon
Downtown San Francisco
FREE
Rain or shine
– Midweek parades ...
Saturday, April 18
World Naked Bike Ride Through SF for Earth Day 2026
It’s that time to tune up those bikes and toss those riding duds in the wash; you won’t need them for the World Naked Bike Ride in San Francisco.
The upcoming calendar of seasonal San Francisco World Naked Bike Rides presents the funnest opportunity to Protest ...
Friday, April 24
San Francisco Critical Mass (Last Friday of the Month)
Critical Mass is a mass bicycle ride that takes place on the last Friday of each month in San Francisco. Meet and 6pm, ride at 6:30 pm from Embarcadero Plaza (foot of Market Street) and in cities around the world. Everyone is invited. No one is ...Monthly
Sunday, May 10
The Exploratorium’s Free Admission Day for Mother’s Day (2026)
Every year, the Exploratorium typically celebrates Mother’s Day with one of its most beloved traditions: a Pay What You Wish Community Day.
> Not yet confirmed for 2026
The museum has a long-standing tradition of opening its doors to the public on Mother’s Day for a day ...
