When ecosystems collide in the arid Southwest.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

The highest point in Washington state is a volcano covered in glaciers.

A museum dedicated to the history and exploration of both popular music and science fiction.

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

The eroded core of an ancient volcano is now accessible by a short hike.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

This Pringle-shaped ledge makes for the perfect photo op.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

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

One of the world's longest murals depicts the history of diversity in Los Angeles.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

A couple turned their front yard into an artistic masterpiece.

Golden Gate Park's historic collection of plants.

This private residence was the template for one of the most beloved television homes of all time.

With the touch of a button, you can read a randomly selected short story.

The unbelievably opulent home built for an infamous newspaperman.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.