The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

Home to the "Circus" trees created by Axel Erlandson.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

The longest covered bridge west of the Mississippi River.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

The geographic center point of the Golden State.

The second-largest giant sequoia in the world.

When California condors were hovering on the brink of extinction, this recovery program was charged with helping the birds thrive again.

After the nearby mercury mine shut down, this town was abandoned and declared a Superfund site.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Four hundred granite steps were built into this massive rock by the National Park Service.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

A giant fiberglass Muffler Man found new life as a rodeo guardian.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

This expansive bridge in the Canadian wilderness was originally just built for friends.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

On the Oregon coast is a natural hole that seems to be draining the sea.

Perhaps the world's only gas station inspired by a political scandal.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

The wooden airship was the largest flying boat ever built.