This "synagogue" is not what it seems to be.

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

The only museum and archive west of the Mississippi that is dedicated to the study of Abraham Lincoln.

Explore the wide world of desert plants at this unique Palm Springs botanical garden.

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

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

What began with a single, 357-pound chunk of the Canyon Diablo meteorite grew to be an impressive collection. 

This impressive tunnel was dug entirely by hand over the course of 36 years.

Condemned US Navy seaplane control tower turned officers’ club sits atop Yerba Buena Island.

A man-made island in scenic San Francisco Bay.

This cabin from the 1850s is one of the first structures built by Chinese immigrants in California.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

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

California's oldest wind harp represents a historic piece of America's Danish history.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

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

The rocks in this arid basin leave trails of movement behind them.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

The San Andreas Fault spectacularly offsets this creek.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

Oldest building in California still in use.