Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

An inconspicuous footbridge beloved by San Diego locals.

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

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Quite simply the largest tree in the world (by volume).

San Francisco's newly reopened hands-on science museum.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

A hand-built folk art installation covered with messages of God's love.

A trash dump made beautiful by nature's power.

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

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Odd outsider art installations surround a Gold Rush-era ghost town.

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

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.