Downieville's largest Gold Rush structure still standing has one of the longest bars in California.

The second-largest giant sequoia in the world.

In one of the hottest parts of the Mojave Desert, shallow bedrock forces the typically dry Mojave River to the surface in this canyon, providing a vital oasis for humans and wildlife.

The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.

A unique piece of graffiti offers a little slice of local history and mystery.

This (occupied) house is 10 feet wide and full of spite.

Because there's no place like home.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

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

A library and museum dedicated to typography.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

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

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

The legendary building that needed ghostly approval before being built.

Stroll around the headstones of notable figures from Knoxville's history, as well as towering monoliths and melancholic headstones.