Community bookshelf of 25-foot-tall book spines.

An overlooked memorial honoring the local Washington residents who died in World War I.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

Towering basalt columns, a creation of fire and ice.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

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

An inconspicuous footbridge beloved by San Diego locals.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

North America's largest accredited model railroad museum.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

One man's quest for the ultimate road trip vehicle.

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

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

In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

Where a staggering 747 ships were constructed during World War II.

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

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Ride on a fully-restored Nike nuclear-tipped missile elevator from the Cold War.

Concrete strongholds stand guard over the Golden Gate.

A trash dump made beautiful by nature's power.

This massive redwood tree has a hole in the base big enough to drive through.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

One man's quest to save his town with a trail of record-breaking sculptures.