One of the last free public hot springs is decorated with hippie art.

An extensive collection of ancient Egyptian artifacts and mummies.

This massive redwood tree has a hole in the base big enough to drive through.

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

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

The abandoned personal amusement park of the King of Pop.

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

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

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

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

Outposts of this restaurant chain were shaped like jaunty chapeaus.

Apartment building was once posh playground to the Hollywood elite.

An homage to the man who built California's version of Venice.

Common all over Japan, kōbans are small community police boxes, and now one is guarding one of L.A.’s megamalls.

"The greatest unknown literary treasure in Los Angeles."

A Bicycle Path in the Sky.

The house where Good Will Hunting was written is a surreal fairytale abode.

The illuminating collection of L.A. street lights is run by the city and only opens one day per month.

Rare collectibles from automated musical instruments to 250 unique automobiles.

A common entry point to the Griffith Observatory trail holds its own wonders.

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.