Coolest Underground Attractions in California

California isn’t just about its famous beaches and mountains; it also boasts captivating underground marvels waiting to be explored. From hidden caves to historic tunnels, the Golden State offers a wealth of subterranean attractions brimming with adventure and fascination. Let’s take a closer look at some of California’s most intriguing underground wonders that definitely deserve a spot on your must-visit list.

Forestiere Underground Gardens

Tucked away in Fresno lies one of California’s most remarkable underground gems: the Forestiere Underground Gardens. Crafted over four decades by Sicilian immigrant Baldassare Forestiere, this expansive 10-acre underground sanctuary enchants visitors with its intricate labyrinth of tunnels, chambers, and sunlit skylights. As you wander through guided tours, you’ll be immersed in the rich history and visionary brilliance behind this hidden oasis, surrounded by century-old fruit trees and verdant vegetation.

Subway Cave and Lava Tubes

For those seeking natural wonders and adventure, the Subway Cave and Lava Tubes in Lassen National Forest are a must-see. Formed by ancient volcanic activity, the quarter-mile-long Subway Cave invites exploration through its cool, dimly lit passages, while the smaller yet more challenging Lava Tubes offer an exhilarating journey for those equipped with proper gear. Traverse these captivating underground formations and uncover the geological marvels of California’s past, all open for exploration by the curious traveler.

Old Sacramento Underground Tours

Delve into California’s captivating history with the Old Sacramento Underground Tours, presented by the Sacramento History Museum. Descend beneath the bustling streets of Old Sacramento to uncover the city’s original foundations and artifacts dating back to the 19th century. Immerse yourself in fascinating tales of the city’s early inhabitants as you stroll through this subterranean time capsule, making it an ideal adventure for history enthusiasts of all ages. Plan your immersive journey between April and December to unearth the hidden stories of Sacramento’s vibrant past.

Marfa Prada

In the desert landscape near Marfa, a surprising sight awaits: the Marfa Prada. Serving as a replica of the renowned luxury store, this installation by artists Elmgreen and Dragset offers a thought-provoking commentary on consumerism and fashion. While the store itself remains non-functional, it stands as a captivating sculpture adorned with authentic Prada goods, inviting travelers to contemplate its significance amidst the vast desert surroundings. Explore this iconic art piece anytime, free of charge, and capture a glimpse of contemporary culture in an unconventional setting.

Zombie Joe’s Underground Theatre

Experience the excitement of avant-garde theater at Zombie Joe’s Underground Theatre in North Hollywood. Prepare for an evening of innovative and daring performances spanning horror to comedy, all presented in an intimate setting that brings you closer to the action. While not recommended for the faint of heart, these live shows challenge traditional norms and leave a lasting impression on audiences. Secure your tickets for weekend performances and immerse yourself in an unforgettable underground theatrical experience.


Uncover a different side of California’s allure with its array of underground attractions, each offering a unique peek into the state’s hidden treasures. Whether you’re exploring the lush depths of Forestiere Underground Gardens or contemplating art amidst the desert at Marfa Prada, these subterranean marvels are sure to enhance your California adventure, leaving you with cherished memories for years to come.

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