Kay Andrews's recipe was so good, her family immortalized it in stone.

Home to a timed geyser created by complete accident.

The overgrown ruins of a once thriving World War I-era copper mine.

This unique sanctuary invites you to interact with the beautiful birds.

Tucked away behind an unassuming set of shops is a must-see series of stunning murals.

The Giant Lemon of Lemon Grove.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

A mosaic map made of over 100,000 tiles depicts the geological features and sea creatures that live along this San Diego beachside community.

Guarded by the Angel of Grief, the Stanford family tomb attracts an odd mix of halloween revelry and somber contemplation.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

An archive of nearly every day of Buckminster Fuller's life.

A trail weaves through the verses of a poem illustrated by stone sculptures inspired by Native American pictographs.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

The private clubhouse for the members of the Academy of Magical Arts.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

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

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

This structure among the trees was the result of divine inspiration.

Visit this playground of waterfalls, caves and sinkholes.