Fort Point Civil War Days
In commemoration of the Civil War’s Sesquicentennial, Fort Point honors its Civil War legacy with re-enactors in period uniforms, artillery drills, music and marching. Plus there’s the usual interesting exhibits and docent-led tours, and views of the underbelly of the Golden Gate Bridge. Saturday, 1/24, 10am-5pm.

San Francisco Fine Print Fair
This annual event features some beautiful prints, especially the Japanese woodcuts from the early part of the 20th century when printmaking was still popular in the country. Also on display, and for sale, are 19th century etchings and impressionist lithographs. Saturday and Sunday, 1/24-25, 11am-5pm, Golden Gate Club, Presidio, SF.

January Snow Days
Sure, you can head back east for this season’s Snowpocalypse, or visit winter for a day at the Treasure Island Flea market. A special wintertime celebration will feature 10 tons of snow dumped on the Great Lawn each day this weekend. Build a snowman or join in the fun of a big snowball fight. The flea market will also be open for business, with over 400 vendors and food trucks. Saturday and Sunday, 1/24-25, 11am-close.

Autodesk Artists in Residence Art Show
Where art meets technology, specifically 3D printing, with artists from around the world exhibiting more than 70 pieces. Also on display are interactive maps, culinary arts and large scale architectural installations. Saturday, 1/24, noon-5pm, Pier 9, SF.

The Run & Only BBall Tourney
Check out the next Damian Lillard in this 3-game basketball tournament featuring some of the best talent Oakland and the East Bay have to offer. Four teams representing their respective neighborhoods will square off for prize money as a live DJ spins. Saturday, 1/24, 6-7:30pm, Bushrod Recreation Center, Oakland.