2013: Possibly 18 August
TechShop - San Francisco
926 Howard Street San Francisco, CA 94103
9 AM to midnight every day
"A community based workshop and prototyping studio on a mission to democratize access to the tools of innovation, TechShop is packed with cutting-edge tools, equipment, and computers loaded with design software featuring the Autodesk Design Suite. Most importantly, TechShop offers space to make, and the support and camaraderie of a community of makers."
Sometime between
2013: 18-25 August
La Brea Tar Pits Museum
5801 Wilshire Blvd., Los Angeles, CA 90036
2013: 18-25 August, 9:30 am to 5 pm 
"Located in the heart of metropolitan Los Angeles, the Page Museum at the La Brea Tar Pits is one of the world’s most famous fossil localities. This onsite Museum displays Ice Age fossils — including saber-toothed cats, dire wolves and mammoths —  from 10,000 to 40,000-year-old asphalt deposits."
Sometime between
2013: 18-25 August
WattsTowers Arts Center
1727 E 107th St Los Angeles, CA 90002
2013: 18-25 August, Thursday -Saturday 10:30  - 3:00 . 
Sundays from 12:30 p.m. to 3:00 p.m. every half hour. 
The last tour of the day is at 3 p.m.
"seventeen major sculptures. [] created by Italian immigrant Sabato "Simon" Rodia out of steel covered with mortar and embellished by the decorative finishings of mosaic tiles, glass, clay, shells, and rock. This masterpiece, which the artist called Nuestro Pueblo (Our Town), was his 33-year obsession."
Sometime between
2013: 18-25 August
The Museum of Contemporary Art
250 South Grand Avenue Los Angeles, CA 90012
2013: 18-25 August, Fr-Mon 11am–5pm
TUES, WED CLOSED, THURS 11am–8pm 
" Founded in 1979, MOCA is the only museum in Los Angeles devoted exclusively to contemporary art. It is committed to the collection, presentation, and interpretation of work produced since 1940 in all media, and to preserving that work for future generations. In a remarkably short time, MOCA has developed one of the nation's most renowned permanent collections"
Sometime between
2013: 18-25 August
Los Angeles County Museum of Art
5905 Wilshire Blvd  Los Angeles, CA 90036
Monday - Wednesday 11 am–5 pm Closed Thursday
Friday - Sunday 10 am–7 pm
"LACMA’s collections encompass the geographic world and virtually the entire history of art. Among the museum’s special strengths are its holdings of Asian art, housed in part in the Bruce Goff-designed Pavilion for Japanese Art; Latin American art, ranging from pre-Columbian masterpieces to works by leading modern and contemporary artists including Diego Rivera, Frida Kahlo, and José Clemente Orozco; and Islamic art, of which LACMA hosts one of the most significant collections in the world."