This stockpile of junked electronic and mechanical gadgets is a favorite among Hollywood prop masters.

Rusty industrial city full of oxidized distillation towers.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The highest bridge in America was built for an almost unnervingly small amount of money.

A park full of outsider art, created by college students studying outsider art.

The largest self-built castle in the U.S., six decades in the making.

Acres of natural wonders left behind by a socialite-turned-gardener.

The quiet canyon has a tumultuous history involving a doomsday cult.

The Los Angeles flood disaster that took 400 lives and ended the career of William Mulholland.

This park is home to California's first oil boomtown, with structures that have stood for more than a century.

A museum, art project, and institution that demands we look at the world around us in a strange new way.

A crumbling hospital from the 1850s on Roosevelt Island.

An L.A. traffic island where the faces of locals have been carved into massive granite eggs.

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

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

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

Most famous work of one of Frank Lloyd Wright's sons.

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.

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

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

One of the richest places in the United States has a cursed street.

An abandoned boat that's been stranded mysteriously for decades.