The vast, legendary catacombs hold secrets much stranger than stacked bones.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

Gouged in the mountain to make stage coach access easier through the Fremont Pass.

This former stomping grounds of the most eminent astronomers of the early 20th century.

Bug-devouring flora are the stars of a special wing of the glass conservatory.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

A cobblestone alley with an interesting past.

Rainbow-hued local gem in Venice.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

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

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

The Southern California pop sounds of surf and sand were born right here.

World-famous, Pink's still manages to keep its prized cult fetish status.

The last of its kind in the country.

Room 32 of the Alta Cienega Motel has grown into a shrine to the Lizard King.

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

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

World War II-era Nazi compound nestled in the Santa Monica hills.

Ingenious bakery opens up the first Cupcake ATM at their flagship location in Beverly Hills.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

A multimedia experience that chronicles the atrocities of racism.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.