Museums and attractions with free admission

• Randall Museum

199 Museum Way at Roosevelt (Twin Peaks/Castro neighborhoods)
Open Tuesday-Saturday 10 a.m.-5 p.m.
Science, creativity and discovery, with native California wild animals and more. Children can climb on the museum's new scale model caboose and play train. “Also open is an urban rail exhibit with models of San Francisco landmark buildings where visitors can guide model trains on railroad tracks.”
Muni Metro K, L, M or bus line 24-Divisadero. (Website gives directions for walking to the museum from Muni stops.)
415-554-9600
http://www.randallmuseum.org/

• San Francisco Fire Department Museum
  

655 Presidio Ave., between Pine and Bush
Open Thursday-Sunday 1-4 p.m. (call previously to make sure, as the museum is staffed by volunteers)
Learn all about historic fire engines, the city's vintage firehouses and more.
Muni 1-California, 2-Clement, 38-Geary, 43-Masonic
http://guardiansofthecity.org/sffd/index.html
Phone During Museum Hours: 415-563-4630
After Hours Voicemail: 415-558-3546

• Museo ItaloAmericano

Fort Mason Center, Building C

Marina Boulevard and Laguna Street

Open Tuesday-Sunday noon-4 p.m.

The only museum in the United States devoted exclusively to Italian and Italian-American art and culture.
Muni 19-Polk, 28-19^th Avenue, 30-Stockton, 49-Van Ness
415-673-2200
http://www.museoitaloamericano.org

• San Francisco Botanical Garden
  

1199 Ninth Ave at Lincoln Way
Open daily 9 a.m.-6 p.m.
Admission is free to all organized youth groups.
Muni: 5-Fulton, 44-O'Shaughnessy, 71-Haight/Noriega 415-661-1316
http://www.sfbotanicalgarden.org/