The most isolated mailbox in America lets desert travelers record their passing.

A "haunted" landmark on the coast of Southern California.

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

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

Along a California highway is a kind of Jurassic Park made of metal.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

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

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

The ghost town that ended up on Ebay.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

Golden Gate Park's historic collection of plants.

Abandoned bridge hidden deep in the San Gabriel Mountains.

Explore 10 acres of environmental sculptures.

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

A collection of 20th-century automata, penny arcade games, and musical contraptions.

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

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

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.

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

The legendary building that needed ghostly approval before being built.

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