The fossilized remains of ancient California redwoods.

Ancient human, animal, and geometric figures drawn in the earth.

An optical illusion found amid a logged redwood forest.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

A world-class observatory in the California desert.

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

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

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

One of the most unusual geological features, recognizable from a dozen hit movies.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

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

The final resting place of a space program monolith.

A storybook European village in Berkeley.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

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

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

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

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

A library of rare occult books in Los Angeles.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.