A hand-built folk art installation covered with messages of God's love.

A library of rare occult books in Los Angeles.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

A museum befitting the city responsible for supplying the majority of the world's LSD.

Rainbow-hued local gem in Venice.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

America's most famous piece of self-built architecture.

One man's homage to the sun continues to grow like a glass fractal.

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

The legendary building that needed ghostly approval before being built.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

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

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

This elaborately-carved white marble fountain was built to stand outside the Detroit Opera House.

Advice-columnist's bell tower, paid for with pennies.

Detroit housing collective working to create an "environment for revolutionary change."

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

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

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.