A massive volcanic plug is now a protected area that hosts a number of bird species.

A deserted hodgepodge of experimental structures designed by nearby university students.

A hotel and restaurant serving as the mecca of kitsch.

An alley covered with 20 years of bubble gum.

A Mysterious Masonic tomb in San Luis Obispo.

Get up close to emus and ostriches, or buy their tasty meat.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

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

A giant donut stands as a popular symbol of Los Angeles iconography.

The legendary building that needed ghostly approval before being built.

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

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

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

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

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

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

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

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

The drama of nature in full effect in this Nevada State Park.