Answer: Meaning “good herb” in Spanish what iconic SF location features a 50 foot waterfall memorial to Martin Luther King, Jr.?

Yerba Buena Gardens features “The Esplanade”, which could be consindered the front yard of down town San Francisco, “The Martin Luther Kind, Jr. Memorial” a 50 foot waterfall feature, “The Cho-En Butterfly Garden” a graceful and serene garden which provide habitat for a number of species of native SF butterflies and “The Children’s Carden & Zeum Carousel” providing over 100,000 sqare feet of grass, gardens & streams neighboring Zeum’s 100-year-old carousel for exploration and imaginations to run wild.