Once a thriving desert resort, Calipatria has evolved into one of California’s most eccentric and fascinating destinations – and it tops our ranking of the state’s most underrated attractions. The city’s abandoned World War II army base has transformed into Slab City, an off-grid community celebrated for its unique character.

The city’s most iconic attraction, however, is Salvation Mountain. This 50-foot-high mound of colourful folk art was created by local artist Leonard Knight as a vibrant expression of his Christian faith. Covered in painted murals, Bible verses, and bright imagery, it’s a must-see for those exploring California’s quirkiest landmarks.

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California's most underrated sights, ranked