Some more stuff you might find interesting 

What to wear while sailing 
https://twogetlost.com/what-wear-sailing

Alcatraz
http://www.nps.gov/alca/index.htm

Golden Gate Bridge
https://www.goldengate.org/bridge/history-research/

Tides and currents at the Golden Gate
https://www.bask.org/technical-and-gear/tech4_tides/

How sails actually work: The physics of sailing
https://www.kqed.org/quest/842/producers-notes-physics-of-sailing