For decades, this waterfall remained hidden because of an artificial dam.

The two writers famously didn't come to blows over the Oxford comma.

The highest point in Nevada had to be decided by court order after California tried to claim it as their own.

Home of what was the largest hydraulic mine in the world, producing gold and the first diamonds in the U.S.

This store is dedicated to unique found footage and the strangeness of pre-internet pop-culture.

The ruins of a town wiped out by the second-largest earthquake in recorded history.

Victoriana on Orange Grove Avenue.

This suburban house is made of dirt, and almost sparked a revolution in home construction.

A lawless town deep in Death Valley was famous for its riches and death rate.

This simple highway curve has become a comedic pilgrimage site.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

A historic dam made famous for its turbines and feature in a Hollywood classic.

This sprawling woodland estate was the brainchild of iconic American industrial designer Russel Wright.

More than 700 species live within this murky marvel of a swamp on California's coast.

Birdhouses, peacocks, animal sculptures, and a graveyard are all found along this eclectic nature trail.

This "living building" on Georgia Tech's campus is home to a blueberry orchard, honeybees, and more than 900 solar panels.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

Final resting place of the immigrant who brought artificial seltzer water to America.

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

A cult archaeology conspiracy theory claims these West Virginia petroglyphs were written by Irish monks in Ogham.

The decaying adobe remains of an old homestead are just off the beaten path in Joshua Tree National Park.

A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

Over 200 people were buried here with only a small stone to mark their final resting place.

Colorful Native American paintings are hidden within this small cavern.