Explore 10 acres of environmental sculptures.

Historic funicular railway, believed to be the shortest railroad in the world.

The oldest structure in a beachside California city was built to serve eight students.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

The miraculous hydrant that saved the Mission District in 1906.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Quite simply the largest tree in the world (by volume).

San Francisco's newly reopened hands-on science museum.

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

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

Olfactory delights in San Francisco's Botanical Gardens.

Towering basalt columns, a creation of fire and ice.

The ghostly remains of an accidental sea.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

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

The only theatre in the world constructed specifically for sound movement.

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

A one-of-a-kind collection of a unique medium.

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

America's most famous piece of self-built architecture.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.