World's largest collection of serial killer artwork and other macabre exhibits.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

Where the leftovers of love affairs can live on forever.

This glamorous old building is said to have inspired the Tower of Terror.

The remains of the first punk club in L.A.

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

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

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

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

This collector's home is a constant work in progress.

The private clubhouse for the members of the Academy of Magical Arts.

The hotel room where Janis Joplin tragically died has now become a makeshift shrine to the singer.

A quirky collection of figurines backdropped by city views is hidden next to a popular restaurant in the Hollywood hills.

An ultra-modern vista that has been featured in so many films the house is a celebrity in its own right.

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

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

A Cold War site complete with rusty structures, hiking trails, and beautiful views.

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

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

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

Secret US military film studio in the Hollywood Hills.

A master of deception, Harry Houdini's greatest trick may have been living in two places at once.

Where the line between entertainment and aerospace blurs.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.