One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

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

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

This rustic old building is said to be the most photographed barn in America.

View the California coastline (and the home of Barbara Streisand) inch by inch with stunning, government-sanctioned aerial photography.

The blinking light atop the iconic landmark has been sending secret messages for decades.

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."

This Hollywood dive houses a mural painted by the artists who animated its namesake film.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

A Bicycle Path in the Sky.

This glamorous old building is said to have inspired the Tower of Terror.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

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

The "world's smallest volcano" has been used to store meals and dispose of dead bodies.

A mega theme park-wax museum mélange containing all things biblical.

This small beachside park commemorates the possibilities of discovery.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

A circus legend leaves an unexpected endowment.