This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

Come crisp December nights, this fairly plain neighborhood becomes a holiday dream world.

A music-filled, booze-soaked oasis in the desert.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

On a barren hillside in the Yucca Valley, the recently restored Desert Christ Park has attracted pilgrims and kitsch hunters for over 50 years.

Thousands of well-dressed mummies below a monastery.

Ancient human, animal, and geometric figures drawn in the earth.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

Hundreds of trees made from glass bottles make up this forest on Route 66.

Explore 10 acres of environmental sculptures.

A Biblically-based Natural History Museum.

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

A nursery specializing in strange and beautiful succulents and cacti.

"The Hoppiest Place in the World" holds the world’s largest collection of bunny memorabilia and is a singular testament of a couple's devotion to all things Leporidae.

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

A carousel trades in its classic horses and calliope for endangered species, native flora and fauna, and a modern soundtrack.

Secret US military film studio in the Hollywood Hills.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

A library of rare occult books in Los Angeles.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The last of its kind in the country.