One of the many free tours around San Francisco includes the 20th Century Glass tour of   SF’s architecture from Financial District to Union Square. The tour examines the glass underfoot, overhead, and in the wall of the buildings in the city.

DETAILS

Destination: Tadich Grill

Schedule: Tuesday, May 31, 2016 – 10:00am

Address: 242 California St., San Francisco, CA

Cost: Free

More info here: http://www.sfcityguides.org/desc.html?tour=137&month=1#cal