Foster City, a small yet vibrant city located in the San Francisco Bay Area, is home to a plethora of hidden gems waiting to be discovered. From abandoned buildings to secret gardens, there are countless urbex spots scattered throughout the city and its surrounding areas, each with its own unique charm and history. Whether you're a seasoned urban explorer or just looking for a new adventure, Foster City's uncurated list of crowdsourced urbex spots is sure to satisfy your curiosity and sense of adventure.
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