A trash dump made beautiful by nature's power.

A winding path built in secret on the edge of the continent.

A 140-year-old castle with underground caves hidden in San Francisco.

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

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

One woman's Viking Castle on Lake Tahoe.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

The world’s largest concentrated solar plant generates as many problems as megawatts.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

The most isolated mailbox in America lets desert travelers record their passing.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

A world-class observatory in the California desert.

The echoes of a railroad town that solemnly mark the end of the line.

An artist's vision for connectivity spans seven continents and 16 countries.

An eclectic trailer park retreat in the middle of the California desert.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

It's not your typical library, memorial, or book store.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.