The Public Health Service Hospital (PHSH) is located in the Presidio of San Francisco. It has been rehabilitated into luxury condos housing in 2010, and it is now called "Presidio Landmark Apartments". For more information about this place you can visit my PHSH page.
Some people claim to be repulsed at the sight of objects with small holes, like this photo. The condition is called Trypophobia. For more info, read en.wikipedia.org/wiki/Trypophobia.