Experience San Diego, where dazzling biodiversity thrives amidst a transformed urban landscape.

Experience San Diego's dazzling biodiversity thriving among a human population of 3.3 million residents. From grebes' intricate rituals to orcas' thrilling hunts, witness nature's resilience and beauty amidst the urban sprawl.

Witness a story of dazzling biological diversity thriving incongruously in a transformed landscape of manmade wilderness. San Diego is an oasis at the intersection of hostile worlds: the dividing line between the Mojave Desert to the East and the Pacific Ocean to the West; the Sierra Mountains to the North and Mexican border to the South. Despite its 3.3 million human residents and utterly transformed landscape, San Diego County is the most biologically diverse county in America. From the dramatic rituals of grebes and the playful antics of ground squirrels to the thrilling hunts of orcas and the moonlit spawning of grunion, witness nature's resilience and beauty amidst the urban sprawl.