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

A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

An extraordinary final resting place full of oversized art, amazing statues, and dead celebrities.

Oldest building in California still in use.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

The simple auditorium that launched a pop icon's career into the stratosphere.

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

The World's First 24 Hour Coin-Operated Art Gallery!! Plastic, Styrofoam, and Elvis--If you can't get rid of it, you might as well worship it!!

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Towering basalt columns, a creation of fire and ice.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

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

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

A whimsical bridge adorned with decorative dragons.

Go inside to really appreciate this 500-year-old technological masterpiece.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

The world's largest egg has been cracked a number of times over the years but has been repeatedly replaced.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.