Oakland's beautiful monumental cemetery.

A temple devoted to inner esoteric mysteries located in a California commercial strip.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

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

World's first "penitentiary," meant to be humane, drove men insane.

Town of spiritualists and mediums in Florida.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

Dive bar built out of the remains of a whaling ship.

The black lab that was voted mayor of a California town is forever remembered by a life-size statue.

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

Haunting and beautiful trees, doomed to die.

At this California chicken ranch, four bucks will get you 18 eggs and a chorus of dancing animatronic poultry.

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

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

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

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

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

A psychedelic labyrinth on the San Francisco bay.

Once home to over 8,000 exiled Hawaiians suffering from Hansen's Disease.

A tunnel of hardened lava along Maui’s famous Road to Hana.

A Hawaiian stairway to heaven—that you can't climb.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.