San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

With the touch of a button, you can read a randomly selected short story.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The remains of a ruined mansion memorialize the 1906 earthquake.

In this century-old literary safehouse, print is alive and well.

A modern mechanical planetary system, part of a 10,000 year clock.

A private home built to resemble the shape of a microscopic creature.

Handmade treasures from around the world.

Travelers exchange letters with woodland creatures at this mini post office.

The ruins of the castle that chemicals built.

Acres of natural wonders left behind by a socialite-turned-gardener.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.

Commonly referred to as the most photographed Victorian home in the United States.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

An optical illusion found amid a logged redwood forest.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

The site of murders and Satanic cult gatherings.

A modern day curiosity cabinet.

The ghost town that ended up on Ebay.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.