Morning Hike at Bear Creek RedwoodsJoin us for this beautiful hike! A POST volunteer will share a few words about POST’s decades of conservation success before the hiking group explores a strenuous but mostly shaded 5.4 mile hike with ~900 feet of elevation gain.In one of the county’s best preserved, second-growth coastal redwood forests, we’ll ...
Foothills Family Nature WalkJoin us at Foothills Nature Preserve for a family-friendly nature walk, guided by EV docents. Good for ages 6 and up; all children must be accompanied by an adult.Please click the link to register via EventBrite. Participation is free, but space is limited.
Where: Los AltosCost: Free
Hydrogen-Powered Boat Ride with SWITCH MaritimeMuseum guests can now take a free cruise on the Sea Change, the world’s first commercial zero-emissions ferry powered 100% by hydrogen fuel cells. The Sea Change is developed and owned by SWITCH Maritime.Founded in 2018, SWITCH Maritime has been working for over five years to build the Sea Change, ...
Where: San FranciscoCost: Free with museum admission
Family Bird WalkJoin us on a fun, family, feathered Family Bird Walk! This program is especially recommended for families with children ages 5-10.Let family walks become a shared time of nature learning! We’ll begin by helping kids create their personal bird watching field guides, and then head out onto the trails to ...
Where: FremontCost: Free (RSVP required)
Family-Friendly Winter Fun Agar Art - Painting w/ Microbes!Join Counter Culture Labs for an exciting workshop focused on DIY just-for-fun biotechnology! We will be making colorful agar art with our engineered glowing microorganisms. Agar is the substrate on which microbes grow on.? In this workshop, you will draw out a picture on the petri dish using our ...
Where: OaklandCost: $30 Adult, $15 Youth <18
Bair Island Sunset StrollJoin Peninsula Open Space Trust for a walking tour at the Bair Island Unit of the Don Edwards San Francisco Bay National Wildlife Refuge! You’ll be guided by POST ambassadors who will share the history of this beautiful protected space, information about the species that live there, and what you ...
Where: Redwood CityCost: Free
City Public Star PartyCome join the San Francisco Amateur Astronomers for free public stargazing of the Moon, planets, globular clusters and more!The event will take place in Tunnel Tops National Park, parking is located adjacent to Picnic Place (210 Lincoln Blvd for GPS) with the telescopes setup in the East Meadow.Dress warmly as conditions ...
Where: San FranciscoCost: Free
Starry Nights Star PartyJoin the San Jose Astronomical Association (SJAA) and Santa Clara County Open Space Authority (OSA) for an unforgettable night of exploring the night sky. Our knowledgeable docents, members of SJAA, will be your guides to providing valuable insights into the wonders of our universe. The viewing site, Rancho Canada del ...
Where: Morgan HillCost: Free
Geminid Meteor Shower Watch PartyGet ready to light up the chilly December night with wonder at our Geminid Meteor Shower Watch Party! Under the vast winter sky, the Geminids will dazzle with their brilliant streaks of light, a celestial gift from the asteroid 3200 Phaethon. As Earth sails through trails of cosmic dust, these ...
Where: OaklandCost: $15 General, $7 Ages 2 - 12
Sunday, 12/14/25
Bees and PollinationLearn about honey bees and the importance of pollination!Join us in the Visitor Center for a 1-hour presentation to learn about pollination! This talk will focus mainly on honey bees, their amazing biology, and ways to protect these and other pollinators.This program is led by USFWS volunteer and retired entomologist ...
Where: FremontCost: Free
Marine Science Sunday - Seal and Sea Lion Superstars of 2025Visit our hospital and visitor center in Sausalito, California, to learn more about what The Marine Mammal Center is doing to help save marine mammals found along the California coast and beyond, and learn more about how you can help.These interactive presentations hosted by our award-winning educators feature multimedia, pictures, ...
Come out to the Palo Alto Baylands for a day of outdoor exploration and interactive activities. Get ready to immerse yourself in nature and learn about the environment in a fun and engaging way.Whether you’re a nature enthusiast or just looking for a unique way to spend the day, this event ...
Where: Palo AltoCost: Free
Tuesday, 12/16/25
Special Documentary Screening: Western Monarch Butterflies, Protecting Our PollinatorsJoin us for a very special night with Ian Nelson, director of Western Monarch Butterflies: Protecting Our Pollinators. We’ll host an exclusive screening followed by a Q&A with Ian. It will be a fantastic night for anyone passionate about monarch butterfly conservation. Proceeds from the evening will be split between ...
Where: Pacific GroveCost: $20 General, $12 Members
Albert Einstein: “One thing I have learned in a long life: that all our science, measured against reality, is primitive and childlike - and yet it is the most precious thing we have.” This quotation graces the very top of Wonderfest’s large-format Layers of Scientific Understanding (LoSU) poster. In the ...
The giant sail-backed carnivorous Spinosaurus is one of the most famous of all dinosaurs. It’s a staple of documentaries, books, movies, and video games, but a great deal of scientific mystery surrounds them. Their fossil remains are highly fragmentary, their evolutionary relationships elusive, and interpretations of their ecology and behavior ...
Where: Cost: Free
After Dark: SolsticeAs the longest night of the year in San Francisco approaches, the other side of the globe prepares for its longest day. Join us at After Dark to explore the complementary relationship between light and shadow, and discover the many ways light finds its way into dark places. Learn about ...
Where: San FranciscoCost: $22.95, free for members
High-Tech Tools for Modern Mycology Discover the latest digital tools and technologies that enhance the study of mushrooms.Join Fork in the Path for a special talk in person & online about high-tech tools for modern foragers with leading mycologist Alan Rockefeller.Discover the latest digital tools and technologies that enhance the ...
Where: San FranciscoCost: $25 General, $10 online & recorded
