Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

This beautiful ridge-top trail is dotted by tiny homes apparently built by a group of itinerant fairies.

A winding path built in secret on the edge of the continent.

This distinctive blue and white jet fighter is a symbol of the area’s relationship with aviation.

This wooden statue commemorates a man who spent nearly 40 years waving hello to the people of Laguna Beach.

When California condors were hovering on the brink of extinction, this recovery program was charged with helping the birds thrive again.

The lead horse on a Disneyland merry-go-round that is older than the park itself.

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

Sports history, made in the Arroyo Seco.

The second-largest giant sequoia in the world.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.

This mysterious series of teeny guerrilla installations sheds a whimsical light on street art in Oakland.

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

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

This giant temperature attraction created some giant electric bills.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

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