The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

A monument to the frontier doctor who came up with the idea of delineating highways with a painted line.

A brick-paved former section of the historic coast-to-coast highway.

Tour the sci-fi-esque reality of governmental disease management.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

Jacksonville's highways rendered this century-old grammar school unusable.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

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

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

Opened as part of the New Deal, the training facility now features World War II-era structures and a pylon that once stood at the World Trade Center.

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Historic house-museum dedicated to the revolutionary gay graphic artist Tom of Finland.

The short oil boom of Venice Beach, and its swift removal from the tourism-laden landscape.

First LEED-certified gas station in the United States.

An enchanted arts space which assumes infinite identities.

Resting place of Hollywood's immortals is also site of summer film screenings.

This mysterious and creepy location instills a strong sense of foreboding in all visitors.

Take an otherworldly journey in a school dedicated to out-of-body experiences.

Towering basalt columns, a creation of fire and ice.

L.A.'s oldest operating bowling alley is a beautifully restored homage to its speakeasy days.

Space program, pneumatics and more, bits and pieces, for movie sets or the common man.