The abandoned remnants of a little sanctuary for world peace that fell into disrepair.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

A creepy steel gremlin has protected the Bay Bridge since 1989.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

The restored and active Victorian-era final resting place of San Francisco.

A world-class observatory in the California desert.

An eerie smiling woman looms above the granite tombstones.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

Oddly shaped rock formation, misassociated with a nearby utopian community.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

A house carved into a rock in the 1940s.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

A massive volcanic plug is now a protected area that hosts a number of bird species.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The unbelievably opulent home built for an infamous newspaperman.

A hollow cement depiction of time's inexorable effect on the human body.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Experience a charming 1930s version of "infotainment."

The drama of nature in full effect in this Nevada State Park.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

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

A Wild West jailhouse that slid down the mountainside.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.