Things to Do at Computer History Museum
Complete Guide to Computer History Museum in Palo Alto
About Computer History Museum
What to See & Do
Revolution: The First 2000 Years of Computing
The flagship 25,000-square-foot exhibit walks you chronologically from abacuses and Babbage's Difference Engine through ENIAC, the first transistors, and into the personal computer era. Allow at least 90 minutes. The labels reward slow reading. The room with the restored Johnniac and SAGE console fragment is easy to miss if you rush.
IBM 1401 Demo Lab
Twice-weekly demonstrations of a fully working 1959-era IBM 1401 mainframe, complete with the rhythmic chunk-chunk of the 1403 chain printer and the smell of warm vacuum tubes. The volunteer operators are often retired IBM engineers who programmed these machines for a living. Their asides are worth the visit alone.
PDP-1 Restoration and Spacewar! Demo
One of three working PDP-1s left on Earth, and visitors are sometimes invited to play Spacewar! (1962) on its round CRT scope. The joysticks are homemade plywood-and-Bakelite contraptions. The graphics are vector-drawn. The experience is unexpectedly tense once a torpedo is incoming.
Babbage Difference Engine No. 2
An eight-foot-long, five-ton brass-and-steel calculating machine built from Charles Babbage's 19th-century drawings and finished in 2008. Scheduled cranking demonstrations show it computing polynomial tables, with cams clacking and number wheels rolling in a mechanical symphony that's hard to look away from.
Where To? A History of Autonomous Vehicles
A more recent gallery covering self-driving cars, with actual hardware from Stanford's Stanley (the 2005 DARPA Grand Challenge winner) and a Waymo sensor stack mounted at eye level. Useful context if you're driving a Tesla through the same valley that built it.
Cray-1 Supercomputer
The 1976 Cray-1 sits in its own alcove looking more like a piece of mid-century furniture than a computer, its red leatherette bench wrapping a column of circuit boards once cooled by Freon. At 80 MHz it was the fastest machine on Earth. Your phone now outpaces it by roughly five orders of magnitude.
Practical Information
Opening Hours
Open Wednesday through Sunday, typically 10am to 5pm, with the museum closed Monday and Tuesday for collection work. The IBM 1401 demos usually run Wednesday and Saturday afternoons. The PDP-1 demos tend to land on the first and third Saturdays. The schedule shifts seasonally. Confirm on arrival.
Tickets & Pricing
General admission is mid-range for a Bay Area museum, with discounts for students, seniors, and active military. Children under a certain age get in free. Members visit free year-round. The membership tier pays for itself in two visits. Keep this in mind if you're a Silicon Valley local with out-of-town guests to entertain.
Best Time to Visit
Weekday mornings are noticeably quieter. You can often have the Revolution gallery nearly to yourself before 11am. Weekends fill up around the demo schedules. More crowded, yes. You get to see the machines run. Avoid Saturday afternoons in summer unless you enjoy queueing behind Bay Area tech-camp groups.
Suggested Duration
Plan for 2 to 3 hours for a solid pass through Revolution plus one live demo. Computing-history obsessives routinely spend a full 5-hour day and still leave with regrets. Families with younger kids tend to peak around the 90-minute mark, after the gift shop's robotics section.
Getting There
Things to Do Nearby
A 5-minute drive or pleasant 20-minute walk away, with kayak and pedal-boat rentals on the lake and a salt-marsh boardwalk that's surprisingly good for birdwatching. Pairs well with the museum if you want fresh air after three hours of climate-controlled silicon.
Colorful Android lawn statues and Google's visitor-friendly outdoor areas sit 10 minutes from the museum. Buildings stay closed, but bike-share Android sculptures and the on-site Googler garden make an easy Silicon Valley add-on. Snap photos. Move on.
Drive 10 minutes for this free visitor center. Touch lunar rocks, peer into a Mercury capsule, and size up Mars rover models. Smaller and quieter than the Computer History Museum, yet a natural pairing for the technically curious.
Head 7 minutes south. Three walkable blocks pack Vietnamese pho counters, ramen bars, and Taiwanese boba shops. Xanh Restaurant and Sumika izakaya deliver reliable post-museum dinners. Bring cash. Lines move fast.
Palo Alto sits 15 minutes away. Cantor Arts Center and the Rodin Sculpture Garden are both free and open most days. Add this stop to your one-day Silicon Valley loop for a non-tech counterweight. Parking is easy.
Tips & Advice
Tours & Activities at Computer History Museum
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