A swing to dangle you off the very edge.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

A small, but award-winning beach known for its literally spotless reputation.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

A store that sells all manner of bones, insects, and animal curiosities.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Canyon walls shrouded in ferns.

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

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.