An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Neoclassical Revival mansion and set of horror cult classic Phantasm.

The unbelievably opulent home built for an infamous newspaperman.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

A strange house built only at night, with rumored mystic inspiration.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

Hopeless romantics will swoon over the sweet story behind this bright and colorful home.

The oldest continuously operating church in California.

Here, visitors can swing with the waves of the Pacific Ocean.

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.

This sculpture garden in Death Valley makes you feel like you've slipped into some alternate reality.

Along a California highway is a kind of Jurassic Park made of metal.

A deserted hodgepodge of experimental structures designed by nearby university students.

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

The liveliest ghost town in the state.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

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

Quite simply the largest tree in the world (by volume).

A hotel and restaurant serving as the mecca of kitsch.

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

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

A painted-over wall in Detroit originally built to segregate a black community from an adjacent white development.

The world's oldest operating jazz club has been in operation since May 1934.