A world-class observatory in the California desert.

A remote desert lookout offers unparalleled views of the California badlands for those who brave the trek.

Along a California highway is a kind of Jurassic Park made of metal.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

North America's largest accredited model railroad museum.

A hidden courtyard houses early 20th-century plaster masterpieces.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

This historic graveyard was partially paved over to create a streetcar line.

It would be a crime to miss it.

San Diego's most historic and haunted home.

A blast from the past in central San Diego.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

An architect's childhood fantasy treehouse made real.

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

A beautiful geyser under environmental threat.

This town is home to the world’s largest arch constructed entirely of elk antlers.

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

The largest earthwork effigy in the world.

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

A haunting army of decomposing, moss-covered stuffed animals and dolls guard this swinging truss.