Wave Organ

43508-wave-organ

A 1986 sound sculpture by Peter Richards and George Gonzales on a jetty next to the St. Francis Yacht Club. Twenty-five PVC and concrete pipes turn wave action into low resonant tones. Free, open 24 hours, best at high tide.

Three Gems (James Turrell Skyspace)

Three Gems SF

James Turrell skyspace inside a grassy mound in the de Young Museum’s Osher Sculpture Garden. Free to visit. LED lights around the oculus shift how the sky color appears.

Lincoln Park Steps

Lincoln Park Steps SF

Mosaic-tiled staircase at the end of California Street climbing to Lincoln Park and the Legion of Honor. Fewer crowds than the 16th Avenue Steps, with ocean views at the top.