Night Hike at Pearson-Arastradero Preserve

Fri · Oct 30·9 AM·Sapp Center for Science Teaching and Learning, 376 Lomita Dr, Stanford, CA 94305 · Palo Alto

Featured book display at the Science Library examines legendary monsters versus verified natural history, separating facts from folklore and hoaxes.

Fri · Oct 30·10 AM – 1 PM·EcoCenter, 2560 Embarcadero Road · Palo Alto, CA

Explore spooky critters with hands‑on spider, snake and owl activities, interactive touchscreens, Baylands Marshcam, and a Duck Pond display with bird experts at the EcoCenter.

Fri · Oct 30·10 AM·Palo Alto Junior Museum & Zoo

Preschool Discovery Science at the Palo Alto Junior Museum & Zoo — for ages 3–6.

Fri · Oct 30·2 PM – 5 PM·The O'Donohue Family Stanford Educational Farm , 555 Fremont Rd. Stanford, Ca 94305 · Palo Alto

Autumn Farm Festival at the O'Donohue Family Stanford Educational Farm offers music, farm art, games, light bites and costume fun for all ages.

Sat · Oct 31·9:30 AM – 11:30 AM·O'Donohue Educational Farm, 175 Electioneer Rd, Stanford, CA 94305 · Palo Alto

Volunteers work on weeding, planting, irrigation, composting, mulching and flower deadheading at O'Donohue Educational Farm, ages 10+, with guardians required for 10‑14‑year‑olds.

Sat · Oct 31·10 AM – 1 PM·EcoCenter, 2560 Embarcadero Road · Palo Alto, CA

Explore spooky critters with hands‑on spider, snake and owl activities, interactive touchscreens and a Baylands Marshcam at the EcoCenter, free.

Sat · Oct 24·8:30 AM – 11:30 AM·Pearson-Arastradero Preserve, 1530 Arastradero Road, Palo Alto, CA, 94304

Volunteer your time to help increase biodiversity at Pearson‑Arastradero Preserve.

Sat · Oct 24·9 AM – 12 PM·Cooley Landing Education Center, 2100 Bay Road, East Palo Alto, CA, 94303

Grassroots Ecology volunteers work to increase biodiversity at Ravenswood Open Space Preserve, meeting at Cooley Landing Education Center.

Sat · Oct 24·10 AM – 3 PM·Dana Center at Hidden Villa, 26870 Moody Road, Los Altos Hills, CA, 94022

Plant sale at Hidden Villa's Dana Center offers native plants for the season, partnered with the California Native Plant Society.