Spiral labyrinth hidden in the hills above Oakland, CA.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

This whimsical stacked cabin looks like something out of a children's book.

The king of U.S. high points towers over every other peak on the continent.

Four-story concrete hotel never opened to customers.

10,000 flowered plants bloom in the City of Roses.

An emporium for the weird, creepy, rare, and just plain gross.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

A massive sea stack famous for its appearance in The Goonies.

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

A trash dump made beautiful by nature's power.

A bronze tribute to a legendary Californian, the self-proclaimed "Emperor of the United States."

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 garden oasis filled with flowers mentioned in the works of William Shakespeare.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A 140-year-old castle with underground caves hidden in San Francisco.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

This private residence was the template for one of the most beloved television homes of all time.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Tiki luxury on Nob Hill.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

An artsy hidden staircase leads to breathtaking views of San Francisco.