1. Something odd on Clay Street

Somewhere along the 3.5 miles of Clay Street is an error set in concrete. Once you see it, it is unmistakably wrong. What is wrong, and where does it occur? Take a picture of the street corner where it occurs.

2. Paul Geddes

Who is Paul Geddes better known as? Take a picture of yourself standing where that information is available.

3. Fill in the blank

Frank, Shirley, _______ & Glen Goodman. What is the missing name and where will you find these names?

4. A random set of numbers?

The number, 110031218, can be found where?

5. Not the actor

Where is the wall where Thomas Hayden's name can be found?

6. What is missing in this sequence?

Pierino Gavello, Jerome Dodson, _____________, Paul Gutierrez & Ellen Blattel Gutierrez, Peter Musto in honor of Joseph Musto, 1828-1904. What name goes in the blank above, and where will you find it?

7. Inspector Harry Callahan

Clint Eastwood portrayed "Dirty" Harry Callahan in five movies, starting with the titular Dirty Harry. Where does (did?) Harry Callahan live?

8. Jack London

Take a picture of yourself next to the birthplace of Jack London.

9. Three degrees of separation

This distinctive Art Deco apartment building in the Telegraph Hill district was the setting of a motion picture starring one of the most iconic actors in Hollywood lore. This actor played a starring role in another movie in which all major and secondary fellow players have all passed away, except for one. Who is this one remaining actor or actress?

10. Long lasting landmark

What famous San Francisco landmark was built by Robert Wood & Co., Philadelphia? Photograph yourself at this site.