The 1915 Panama-California Exposition was a world's fair held in San Diego, California. It celebrated the opening of the Panama Canal and showcased the region's development and culture. The exposition featured various pavilions, gardens, and exhibits that highlighted advancements in technology, art, and architecture. The event took place in Balboa Park and attracted millions of visitors. It played a significant role in promoting San Diego as a tourist destination and contributed to the city's growth. The exposition also included the famous California Tower, which remains a prominent landmark today.