This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

This 19th century train workshop is a treasure trove of railroad history.

Where the first "expert riders, willing to risk death daily" for the Pony Express were recruited.

A replica of the first public theater built in California.

A mesmerizing disco ball-like sculpture along the Sacramento River Walk.

This graffiti-covered bridge is the quintessential vision of a place for disillusioned youth to escape the complexities of burgeoning adulthood.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

A strange house built only at night, with rumored mystic inspiration.

The haunting ruins of Jack London's dream house.

Subterranean house made out of a grain silo, located in the Santa Cruz Mountains.

A ruined hotel with an unlucky history and an eerie present.

It is locally loved and ridiculed for literally looking like poop.

One of the largest Marian shrines on the West Coast stands rather unexpectedly in Silicon Valley.

This odd California folly seems like it was almost designed to accumulate urban legends.

The rusting remains of the largest assembled WWII fleet on the West Coast.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

The timepiece that exonerated a labor radical accused of a parade bombing that killed ten people.

The perfect spot for a picnic, right next to a giant ballistic missile.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.

Thousands of crosses and markers for soldiers who lost their lives in Iraq and Afghanistan blanket a California hillside.