Concrete strongholds stand guard over the Golden Gate.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

A second generation sun-powered marvel lights up the night.

The largest collection of two headed animals in the world.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

A multimedia experience that chronicles the atrocities of racism.

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

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

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Oldest building in California still in use.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

Sloth rehabilitation center in the jungle of Costa Rica.

This red lake 4,000 meters above sea level is home to rare flamingos.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

The Uros people live on floating reed islands in lake Titicaca.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.