Oldest building in California still in use.

Bits and pieces from the ill-fated Donner Party's winter cabins.

A remote crossroads honoring a fallen talent.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

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

Four hundred granite steps were built into this massive rock by the National Park Service.

An eatery for UFO seekers on the Extraterrestrial Highway.

The world’s largest concentrated solar plant generates as many problems as megawatts.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Mysterious meeting place for UFO hunters near Area 51.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

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

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

The largest island on the great salt lake is home to curious creatures and strange stories.

Largest collection of mounted dinosaur specimens in the world.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

Golden Gate Park's historic collection of plants.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A collection of 20th-century automata, penny arcade games, and musical contraptions.