A church of bones, decorated with 40,000 human skeletons.

A 16th-century horror show built in a lovely Italian garden.

Once the most densely populated place in the world, this island is now a ghost town.

The winter home of millions of migrating monarch butterflies.

On the Oregon coast there is a natural hole that seems to be draining the sea.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

A tree bears footwear on the loneliest road in America.

First LEED-certified gas station in the United States.

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

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

Pizza joint known for labor-inducing salad dressing.

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

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

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

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

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

This Los Angeles animation studio is keeping the wonder of stop motion puppetry alive.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Historic funicular railway, believed to be the shortest railroad in the world.

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

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

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.