Three plaques mark the spot where the "forgotten father of broadcasting" worked.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

Anyone can control this glittery light installation with just a phone call.

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

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

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

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

A historic hotel in an old California railroad town with a rowdy reputation.

Where the polar bear watches over everything, and every drink is a double.

A sparse, solitary sequoia still stands as a living tribute to the famous conservationist who planted it—but it's dying.

Thousands of crosses and markers for soldiers who lost their lives in Iraq and Afghanistan blanket a California hillside.

Explore 10 acres of environmental sculptures.

Across Ring Mountain is a vast collection of Native American petroglyphs unique to the region.

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

Discover for yourself what Herb Caen referred to as "the best kept secret in the Bay Area."

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

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

Odd stone and concrete monuments in the "Poet of the Sierras" eclectic folly garden.

Spiral labyrinth hidden in the hills above Oakland, CA.

Massive prehistoric mammals used these stones as oversized scratching posts.

This collection of hand fans doubles as a history of femininity.

An abandoned boat that's been stranded mysteriously for decades.