What is the Exploratorium?
The Exploratorium is San Francisco's hands-on museum of science, art and human perception, founded in 1969 by physicist Frank Oppenheimer. Since 2013 it has occupied Pier 15 on the Embarcadero, with hundreds of interactive exhibits you're meant to touch, pull, spin and argue about. Galleries cover light and seeing, sound and listening, the living world, human behaviour, and the bay itself, with a glass-walled observatory on the end of the pier.
It isn't a children's museum, even if kids love it. Many exhibits are quietly sophisticated, which is why the adults-only Thursday nights are such a hit.
Tickets and prices
Buy online or by phone. Tickets are nonrefundable and can't be moved to another date. The Exploratorium is also one of the options on the San Francisco CityPASS, which can save money if you're also visiting the California Academy of Sciences and taking a bay cruise.
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After Dark Thursdays (18+)
Every Thursday from 6 pm to 10 pm, the museum reopens for adults only, with a themed programme of talks, performances, film and live music, and a bar. At $22.95 it's cheaper than daytime admission, and there are no school groups or toddlers at the exhibits. Popular themed nights can sell out, so book ahead. It's the best-value way to see the Exploratorium if you're travelling without children.
The Tactile Dome
The Tactile Dome is a pitch-black maze you crawl, slide and climb through using only your sense of touch. It's not for claustrophobes. Sessions run hourly in the day (from 10:15 am) and several times on After Dark nights, and they need a timed reservation: book when you buy your ticket, as sessions fill up. It's recommended for ages 7 and over.
How busy is it?
Crowds by day and time
From the typical weekly visitor pattern for Exploratorium, based on Google’s popular-times data.
Quietest time
Wednesday, 10 am-1 pm
Busiest time
Saturday, 12-5 pm
Tips
- Pick two or three galleries rather than trying to see everything.
- Head to the far end first. The Bay Observatory gallery is at the end of the pier, and most visitors stay near the entrance.
- Check the daily schedule for demonstrations, such as the cow's eye dissection.
- Step outside: some exhibits, including the Fog Bridge, are outdoors on the pier and free to see.
- Eat on site or nearby. There's a restaurant and café, and the Ferry Building is a 10-minute walk.
Getting there
The Exploratorium is on Pier 15 at the Embarcadero and Green Street. Take the historic F-line streetcar along the Embarcadero, or walk 10-15 minutes from the Ferry Building and Embarcadero BART/Muni station. Fisherman's Wharf and Pier 39 are about 20 minutes' walk north. Discounted parking is available at nearby lots, but transit is easier.
With children
The Exploratorium is ideal for children aged about 5 and up, though toddlers enjoy many exhibits too. Under-4s are free. Exhibits are hands-on and sturdy. Plan breaks, as the museum is big and stimulating, and remember that After Dark is adults-only.
Is the Exploratorium worth it?
Yes. It's one of the best science museums in the world, and it rewards curious adults as much as children. Families should come on a weekday afternoon. Adults travelling without children will get the most value from an After Dark Thursday.
🎟️ Included in the San Francisco CityPASS and the San Francisco Go City All-Inclusive Pass. Could a pass save you money? Compare San Francisco tourist passes →
FAQs
How much are Exploratorium tickets?
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$39.95 for adults and $29.95 for youth 4-17, seniors, students and teachers. Children 3 and under are free.
What are the Exploratorium's opening hours?
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Tuesday to Saturday 10 am-5 pm and Sunday noon-5 pm. It's closed on Mondays.
What is After Dark at the Exploratorium?
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An adults-only (18+) evening every Thursday from 6 pm to 10 pm, with themed programmes and a bar, for $22.95.
Do I need to book the Tactile Dome?
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Yes, it costs $15.95 extra and needs a timed reservation.
When is the Exploratorium least crowded?
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Weekday afternoons after the school groups leave. Check our live crowd tracker for your date.
Heading to Exploratorium?
See how busy it is right now and the quietest hours for your date, then walk in when the line is short.
Check live crowds →Sources
How we research: every guide is written by the BeatTheCrowd team from official sources and recent traveller reports, cross-checked against each other, and dated so you know how fresh it is. Last checked 29 October 2026. Prices and rules change, so always confirm on the official site before you book.
