This “living museum” at UCLA exhibits thousands of plant species from all over the world.

This collector's home is a constant work in progress.

One of the world's longest murals depicts the history of diversity in Los Angeles.

A quirky collection of figurines backdropped by city views is hidden next to a popular restaurant in the Hollywood hills.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

A common entry point to the Griffith Observatory trail holds its own wonders.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

A ghost town at the airport is now a refuge for blue butterflies.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

One man's homage to the sun continues to grow like a glass fractal.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

A huge maze complex and whimsical miniature village in Tasmania.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

This might just be the TARDIS of bookstores.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

A 2,000-ton rock resting in a state of a delicate balance.

This surreal-looking tree pruned more than 1,000 years ago is still producing olives for oil.

The last orange grove of the San Fernando Valley is owned and protected by CSU Northridge.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

Where the lovelorn find a home for their sentimental keepsakes.