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The Bubblegum Alley of San Luis Obispo

The “most talked-about landmark” of San Luis Obispo, California, the Bubblegum Alley is a 21 meter-long alley lined with chewed-up pieces of bubblegum.

The exact history of the Bubblegum Alley is unknown, but there are a few theories about how this sticky tradition began. Some say it started during World War II, as a graduating class event, while others are convinced it dates back to the 1950s, as the result of the rivalry between San Luis Obispo High-School and Cal Poly. Whatever its beginnings, by the 70s, Bubblegum Alley was already covered with plenty of gooey material.

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